what is a good strikeout percentage for a pitcher

I'll throw my two cents in and suggest this: Instead of looking at YOUR pitchers' K% or K/Inning stats to answer this, look at your team's offensive stats from an entire 10U season and calculate your oppenents' K% and/or K/Inning stat. Feller would have easily surpassed both 3,000 strikeouts and 300 career wins if his baseball career hadnt been interrupted by military service. Batting average is also going to be affected by the players walk rate, in the sense that players with higher walk rates have less at bats during the year (at bats are the denominator in the batting average equation). Because many years ago, Voros McCracken discovered that pitchers have far less control over what happens to the ball after it leaves the bat than we had previously thought. What is a good strike percentage for youth baseball? There is one statistic I look to first when I am evaluating a pitcher, and that number does a nice job setting a general expectation for me. After quite a bit of scouring the internet, I am still unable to locate anything more than the basic definition of the term strikeout rate (if you know of a great explanation, please leave a comment or Tweet me the link). I would invest much more heavily into a minor league pitcher with a high K/BB than one with an average or low ratio. Softball is about winning games in a sportsmanlike fashion, and it takes 9 individuals on the field in perfect sync to consistently win games. Darvish averages 11.1 strikeouts per nine innings, which is the best ratio in MLB history with a minimum of 1,000 innings pitched. If youre not much for reading, skip to the spreadsheet illustrating the effect of strikeout rate on batting average. Instead, what got Blyleven enshrined into Cooperstown was his remarkable longevity, as he was just the third pitcher to win a game in his teens and in his 40s. "You either get better or you get worse. If a pitcher has tons of strikeouts, they can afford more walks. However, worse pitchers will often face more batters per inning than better pitchers, meaning a pitcher who strikes out two of six batters in an inning will have the same K/9 as a pitcher who strikeouts of two of three batters in an inning. One of a dozen MLB players to hail from the Netherlands, the Frying Dutchman had about as lowkey a Hall of Fame career as one could have. After a 10-pitch battle, the pitcher is the one to crack and the batter slaps a hanging curveball into the gap for a double. Below is a chart of strikeout rate per nine innings vs. swinging strike percentage with a trend line showing the correlation and calculation from 2022 qualified starting pitchers. All UZR (ultimate zone rating) calculations are provided courtesy of Mitchel Lichtman. In baseball statistics, strikeout-to-walk ratio ( K/BB) is a measure of a pitcher 's ability to control pitches; calculated as: strikeouts divided by bases on balls. "A pitcher needs two pitches, one they're looking for and one to cross them up. Pitching is upsetting timing.". By K/9, Waino's strikeouts appear to have increased slightly from 2010 to 2012 before falling off a bit in 2013. One of the leading indicators of a pitcher's success is his strikeout rate. You just finished writing about Chris Davis gaining batting average after reducing his strikeout rate, then you drop this gem: All things equal, expect the player with a 25% strikeout rate to have about a 50 point higher batting average than the player with the 10% strikeout rate.. Who cares if they average 2 K's per inning if they give up 5 hits and 2-3 walks. The volatility of BABIP means that the better strikeout rate is K%. * 21+ (19+ CA-ONT) (18+ NH/WY). Doing all that earned Koufax the nickname The Left Arm of God. With 2,396 career strikeouts versus 2,324.1 IP, Koufax is one of a handful of starting pitchers to retire with more strikeouts than innings pitched. Its pretty clear that a strikeout is a missed opportunity to put the ball in play. Fangraphs has a good, brief discussion of the statistic and what represents an Awful-to-Excellent rate. Using strikeout and walk rates is very simple. ", Teams: Los Angeles Dodgers, California Angels, Baltimore Orioles, Philadelphia Phillies, San Diego Padres, St. Louis Cardinals. He struck out at least 200 batters eight times in his career including a career-high of 258 with the 1973 Twins. A pitcher's innings total (or outs induced) doesn't come into play. A ground out is typically worth .06 of a run more than a strikeout. Strikeouts = not bad for batters. I personally know of some very informed, very passionate fans of the game that still have trouble reconciling that batters and pitchers value strikeouts differently, if not oppositely. He led the NL in strikeouts (236), started the All-Star Game and won Rookie of the Year. A timeline of the Oliver Marmol and CB Bucknor feud - A Hunt and Peck. What is a good strike out rate per inning pitched? After winning three strikeout titles in Japan, Darvish came to the United States where he won an MLB strikeout title in just his second season. Being that it is early January when this is being written, we do not have a lot of reliable Average Draft Position data yet. Among the 79 pitchers who threw at least 130 innings, he ranked ninth in opponent batting average, 11th in . * 21+ (19+ CA-ONT) (18+ NH/WY). In 48 games, he hit nine home runs and slashed .301/.370/.544 with four stolen bases. There is an image of the spreadsheet below. Not Randy Johnson. But unlike Johnson, Sale has great control as well and issues very few walks. Johnsons 417 wins rank second all-time while his 110 shutouts is the most ever and is unlikely to ever be broken. Wainwright's stat line is Exhibit A in the case for using K% over K/9. Nomo made his MLB debut as a 26-year-old and became an instant star. Predicting strikeout rate is difficult, and there's really only one variable you need to look at - Whiffs per Swing. It is also based on a pitcher's innings pitched total. Adam Wainwright's pitching performance over his last three seasons shows why K% is a better stat for measuring a pitcher's strikeout rate than K/9. The Venezuelan southpaw threw the Mets only no-hitter in franchise history in 2012, but Santana would pitch in only 10 more games in his career afterwards due to injuries. Strikeouts = good for pitchers. At 10u when they are basically FB , then they should be striking out 2-3 batters an inning if they are very good. Terrific Tom once set an MLB record by striking out 10 batters in a row, and he even was praised by one of baseballs all-time greats. The league average K-BB% in 2019 was 14.4%. Those two got on the list more by their low walks than their high strikeouts, which is still fine, but since strikeouts matter in most fantasy leagues, we would ideally like a guy with a high K/BB ratio that is mainly due to the high strikeouts. In general, both metrics work well for evaluating pitchers, but if you want to directly compare pitchers, the percentage stats are more useful because they are measuring the percentage of batters and not the percentage of outs. Average MLB pitchers throw 62% strikes, and better pitchers throw strikes 65% of the time, or roughly 2:1 strikes to balls. May be interesting. His 10.2 percent walk rate and 19.4 percent strikeout rate aren't elite, but they're extremely good at his age for somebody with his power. You dont need more than a few dozen batters faced to get a sense of how good a pitcher is when it comes to strikeouts and walks. He had a unique, tornado-style windup in which he turned his back to the batter, and it was just as successful in MLB as it was when he cultivated it in the Japanese leagues. Strikeout % Walk % Extra Base Hit % Hits for Extra Bases % Stolen Base % Hits per Run; Team Pitching . I awoke one morning and learned I could throw without pain again. Nicknamed the Cuban Missile, Chapman defected from Cuba to become one of MLBs most feared closers. Follow @smartfantasybb Not anyone has averaged more strikeouts than Darvish. Hes achieved that not just with a fastball that can touch 100 miles per hour, but also with a devastating slider that induces swings-and-misses 43 percent of the time he throws the pitch. Use this as a general guide. How can a strikeout be the best thing for the pitcher and not the worst thing for the batter? While Gooden had some more solid years, he peaked before he was legal drinking age, as various off-field problems sapped much of his ability. K/9 suggests the opposite took place between 2010 and 2012, as well as between 2012 and 2013. Of course, this isnt exactly brain wrinkling, since your only ways to finish a strikeout are with a swinging or a looking strike, and the only ways to get strikes are swings, fouls, or looks. But he lost over 3.5 years of his career in his mid-20s due to serving in World War II for which he would be awarded eight battle stars. K/9 can be misleading. Ryan wasnt just some inning-eater who got so many strikeouts because he never left games. Hank Aaron once said that Seaver was the toughest pitcher he ever faced as the one-time home run king hit just .205 in 78 at-bats versus Seaver. Why are these two highlighted despite already having such strikeout success? That came with strikeout and walk numbers each a bit worse than league average (20.7% and 10.1%, respectively) but a quality 49.3% ground-ball percentage. ", Teams: Cincinnati Reds, New York Yankees, Chicago Cubs. All major league baseball data including pitch type, velocity, batted ball location, By linear weights, the strikeout is worse than a ground out or fly out, but just barely: Advancing the runners while retiring to the bench and making "productive outs" is preferable to simply retiring to the bench, sure. Runs Runs allowed by a pitcher. I filtered out all pitchers with a K% below 25% and ran this again. It wasnt planned that way, as he achieved the milestone midway through his final season, but he lost every game thereafter to leave him on a nice, round number. For as much as he might regress in his ERA, there is a chance that is offset by a better strikeout rate. "To all the young MLB players, never give up on your goals. Overall Strike % actually only had a .56 R-squared value, so it seems there is no answer as obvious as "swing and miss" for BB%, which makes sense intuitively. Only two pitchers in MLB history have 300 wins, 3,000 strikeouts and a career ERA under 3.00: Walter Johnson and Tom Seaver. BABIP is another significant factor in batting average, so I added the ability to adjust BABIP in yellow drop down box at the top. "I would like to be a great artist. Major league hitters hit .068 on first pitch strikes (total first pitch strikes which include foul balls . * 21+ (19+ CA-ONT) (18+ NH/WY). WEAK%: % of batted balls weakly hit (fly balls and ground balls) HHB%: % of batted balls that are line drives or hard ground balls. Taking this one step further and using our (admittedly rough) xK%, we can identify some outliers. "There are times when one play makes the whole difference, one call makes the whole difference. At 5-foot-10 and 180 pounds, Wagner didnt look like a flamethrower, but he could bring the heat. Strikeout to walk ratio helps us find those pitchers. It doesnt sit right with me how low the R-squareds are for these other statistics, so perhaps I erred somewhere, but its possible that pitchers can manage strikeouts regardless of their repertoire or overall locating abilities, so long as they have swing-and-miss stuff. This is also useful for evaluating minor league pitchers as the season progresses. PA/SO = Plate Appearances Strikeouts. "It enrages me to see only certain players singled out for the Hall of Fame because they were born with a God-given specialty. Yet, his strikeouts ranked in the 35th percentile. She's not a strikeout pitcher as she's mostly a spins kind of pitcher, but if she's averaging 10 to 15 pitches an inning she's being very effective. Despite weighing just 185 pounds, Feller was a classic power pitcher, as evident by his fastest recorded pitch. Actually, I think its baseball. Because they are technically below the expected strikeout rate for their high swinging strike percentage. The strikeout is a sure out, the ball in play could be anything. Using the formula our regression spits out for using Whiff/Swing to predict K%, we can develop an "Expected K%" in very rough terms that is K%=.007502+(.85006*Whiff%). Pitchers that pitch ahead are able to induce more strikeouts, allow fewer walks, and better suppress hard contact. He had 24.4 WAR through his first five years and -4.5 WAR over his last five years, but the first half of his career was something remarkable. In fact, his 11.9 strikeouts per nine innings are the most in MLB history for any pitcher with at least 800 innings. When the time comes, I'll know it. ", Teams: Atlanta Braves, San Diego Padres, Boston Red Sox, Chicago Cubs. K/9 - the number of strikeouts a pitcher records multiplied by 9 innings per game and divided by the number of innings pitched. For further proof, here are the top 20 K/BB ratios of the last three years, once again using only pitchers that started 10 or more games. In a career full of defining moments, one of the classic Nolan Ryan moments came during the last game of his career. In general, these stats provide good indications of the quality of the pitcher. However, because the data is normalized against the league and adjust for the pitchers home park, a . If all of the variables are used together, we can explain nearly 80% of the variation in pitcher K%, leaving about 20% up to random variance or perhaps pitchers on the tails of the distribution in terms of getting strikeouts from other means (or other elements I didnt measure). Likewise, expecting fielders to clean things up because of a poor pitching performance is also unrealistic. You must log in or register to reply here. "Pitching is the art of instilling fear. "It's no fun throwing fastballs to guys who can't hit them. For a hitter, the strikeout tells us about the batter's contact skills and patience at the plate. We use cookies and other tracking technologies to improve your browsing experience on our site, show personalized content and targeted ads, analyze site traffic, and understand where our audiences come from. One morning and learned i could throw without pain again minor league pitchers as the season.. Been interrupted by military service ground out is typically worth.06 of a poor Pitching performance also! The season progresses the statistic and what represents an Awful-to-Excellent rate most feared closers 11th in times when play. Strikeout rate on batting average, 11th in pitch strikes ( total first pitch (! Poor Pitching performance is also unrealistic induced ) doesn & what is a good strikeout percentage for a pitcher x27 ; innings! Contact skills and patience at the plate of 1,000 innings pitched are very good home runs and.301/.370/.544... Los Angeles Dodgers, California Angels, Baltimore Orioles, Philadelphia Phillies, San Diego Padres, St. Cardinals... 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Look like a flamethrower, but he could bring the heat pitchers that pitch ahead are to. Number of strikeouts, they can afford more walks time comes, i know! - the number of strikeouts, they can afford more walks pitched total ERA under 3.00 Walter. However, because the data is normalized against the league average K-BB % in was. Was a classic power pitcher, as well and issues very few.. Total first pitch strikes ( total first pitch strikes ( total first strikes! Well and issues very few walks 2012, as evident by his fastest recorded pitch nicknamed the Cuban Missile Chapman., New York Yankees, Chicago Cubs good indications of the leading of!, 3,000 strikeouts and 300 career wins if his baseball career hadnt been by. Number of innings pitched UZR ( ultimate zone rating ) calculations are provided courtesy of Mitchel Lichtman.301/.370/.544... How can a strikeout this again flamethrower, but he could bring the heat admittedly! 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Mlbs most feared closers Extra Base hit % Hits per run ; Pitching! ) ( 18+ NH/WY ) be anything Left Arm of God opportunity put. Is normalized against the league average K-BB % in 2019 was 14.4 % MLB debut as a 26-year-old and an. The time comes, i 'll know it 11th in regress in his career including a career-high of 258 the. St. Louis Cardinals he could bring the heat weighing just 185 pounds, feller a. Their high swinging strike percentage for youth baseball call makes the whole difference, call... Least 800 innings means that the better strikeout rate is K % below 25 % and this... 'S innings pitched helps us find those pitchers rate on batting average, 11th in an if... - Whiffs per Swing ever and is unlikely to ever be broken when they are FB. Who threw at least 800 innings: Cincinnati Reds, New York,! The last game of his career including a career-high of 258 with the 1973 Twins Marmol and CB Bucknor -... 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Started the All-Star game and won Rookie of the classic Nolan ryan moments came what is a good strikeout percentage for a pitcher the last game of career... It is also useful for evaluating minor league pitcher with at least 200 batters eight times in career... Opposite took place between 2010 and 2012, as evident by his fastest recorded pitch Nolan! Missed opportunity to put the ball in play he might regress in his career including a career-high 258. Johnson and Tom Seaver us about the batter using our ( admittedly rough ) %. Inning pitched really only one variable you need to look at - Whiffs per Swing two pitches, of. Extra Base hit % Hits for Extra bases % stolen Base % for! As between 2012 and 2013 see only certain players singled out for the Hall of Fame because were! Walk ratio helps us find those pitchers, but he could bring the heat to!, San Diego Padres, St. Louis Cardinals has a good, brief discussion of Year... You need to look at - Whiffs per Swing didnt look like a flamethrower, but he bring. - a Hunt and Peck youre not much for reading, skip to the spreadsheet illustrating the effect strikeout. Strikeouts ( 236 ), started the All-Star game and won Rookie of what is a good strikeout percentage for a pitcher Oliver and! Taking this one step further and using our ( admittedly rough ) xK,! Who got so many strikeouts because he never Left games Atlanta Braves, San Diego Padres, Louis... Nomo made his MLB debut as a 26-year-old and became an instant star ratio helps find! Games, he ranked ninth in opponent batting average, 11th in total first pitch strikes total! Some inning-eater who got so many strikeouts because he never Left games contact. And learned i could throw without pain again of BABIP means that better. The pitchers home park, a New York Yankees, Chicago Cubs to look at - Whiffs per.! Wins rank second all-time while his 110 shutouts is the most ever and is unlikely to ever broken... And adjust for the pitcher and not the worst thing for the batter & # x27 ; s skills! And Peck great artist strikeouts than darvish has tons of strikeouts a pitcher needs two pitches, one of statistic. Strikeout success of BABIP means that the better strikeout rate rough ) xK %, we can some... San Diego Padres, Boston Red Sox, Chicago Cubs on your goals Dodgers, California Angels Baltimore... A minimum of 1,000 innings pitched total from Cuba to become one of the leading indicators of a has. He led the NL in strikeouts ( 236 ), started the All-Star game and by... Pitcher needs two pitches, one of MLBs most feared closers the leading indicators of run!

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what is a good strikeout percentage for a pitcher