MLB Single Season Strikeout Leaders


All Time MLB Records
Single Season MLB Records
Career BA Leaders Highest BA in a Season
Career Hits Leaders Most Hits in a Season
Career HR Leaders Most HRs in a Season
Career RBI Leaders Most RBIs in a Season
Career Runs Leaders Most Runs in a Season
Career SB Leaders Most SBs in a Season
Career Wins Leaders Most Saves in a Season
Career Saves Leaders Most Strikeout in a Season
Career Strikeout Leaders Lowest ERA in a Season
Career ERA Leaders  

MLB Milestones
No Hitters and Perfect Games 500 Home Run Club
300 Wins Club 3000 Hits Club
3000 Strikeouts Club Triple Crown Winners


Most Strikeouts in a Single MLB Season
Rank Player Team
Ks
Innings
Year
1Matt Kilroy Baltimore Orioles
513
583
1886
2Toad Ramsey Louisville Colonels
499
588.7
1886
3Hugh Daily  Chicago/Pittsburgh (UA)
Washington Nationals (UA)
483
500.7
1884
4Dupee Shaw Detroit Wolverines
Boston Reds (UA)
451
543.3
1884
5Charley Radbourn Providence Grays
441
678.7
1884
6Charlie Buffinton  Boston Beaneaters
417
587
1884
7Guy Hecker  Louisville Eclipse
385
670.7
1884
8Nolan Ryan California Angels
383
326
1973
9Sandy Koufax Los Angeles Dodgers
382
335.7
1965
10Bill Sweeney  Baltimore Monumentals (UA)
374
538
1884
11Randy Johnson Arizona Diamondbacks
372
249.7
2001
12Pud Galvin Buffalo Bisons
369
636.3
1884
13Mark Baldwin  Columbus Solons
368
513.7
1889
14Nolan Ryan California Angels
367
332.7
1974
15Randy Johnson Arizona Diamondbacks
364
271.7
1999
16Tim Keefe New York Metropolitans (AA)
361
619
1883
17Toad Ramsey Louisville Colonels
355
561
1887
18Rube Waddell Philadelphia Athletics
349
383
1904
19Bob Feller Cleveland Indians
348
371.3
1946
20Randy Johnson Arizona Diamondbacks
347
248.7
2000
21Hardie Henderson  Baltimore Orioles (AA)
346
439.3
1884
T22Mickey Welch New York Giants
345
557.3
1884
T22Jim Whitney  Boston Beaneaters
345
514
1883
24Jim McCormick  Cleveland Blues
Cincinnati Outlaw Reds (UA)
343
569
1884
T25Amos Rusie New York Giants
341
548.7
1890
T25Nolan Ryan California Angels  
341
299
1977
T27Amos Rusie New York Giants
337
500.3
1891
T27Charlie Sweeney  Providence Grays
St. Louis Maroons (UA)
337
492
1884
29Tim Keefe New York Giants
335
434.3
1888
T30Randy Johnson Arizona Damondbacks
334
260
2002
T30Tim Keefe New York Metropolitans (AA)
334
483
1884
T32Randy Johnson Seattle Mariners
Houston Astros
329
244.3
1998
T32Nolan Ryan California Angels
329
284
1972
34Nolan Ryan California Angels  
327
284.3
1976
35Ed Morris Pittsburgh Alleghenys
326
555.3
1886
T36Sam McDowell Cleveland Indians
325
273
1965
T36Tony Mullane  Toledo Blue Stockings (AA)
325
567
1884
38Lady Baldwin Detroit Wolverines
323
487
1886
39Curt Schilling  Philadelphia Phillies
319
254.3
1997
40Sandy Koufax Los Angeles Dodgers
317
323
1966
41Curt Schilling  Arizona Diamondbacks
316
259.3
2002
42Charley Radbourn Providence Grays
315
632.3
1883
43Bill Hutchison  Chicago Colts
314
622
1892
T44John Clarkson Chicago White Stockings
313
466.7
1886
T44Walter Johnson Washington Senators
313
370
1910
T44Pedro Martinez  Boston Red Sox
313
213.3
1999
T44J.R. Richard  Houston Astros
313
292.3
1979
48Steve Carlton Philadelphia Phillies
310
346.3
1972
T49John Clarkson Chicago White Stockings
308
623
1885
T49Randy Johnson Seattle Mariners
308
255.3
1993
T49Mickey Lolich Detroit Tigers
308
376
1971
T49Larry McKeon  Indianapolis Hoosiers
308
512
1884
T53Sandy Koufax Los Angeles Dodgers
306
311
1963
T53Mike Scott  Houston Astros
306
275.3
1986
55Pedro Martinez  Montreal Expos
305
241.3
1997
56Sam McDowell Cleveland Indians
304
305
1970
T57Walter Johnson Washington Senators
303
369
1912
T57J.R. Richard  Houston Astros
303
275.3
1978
T59Ed Morris Columbus Buckeyes (AA)
302
429.7
1884
T59Rube Waddell Philadelphia Athletics
302
324
1903
T61Vida Blue Oakland Athletics
301
312
1971
T61Nolan Ryan Texas Rangers
301
239.3
1989
63Curt Schilling  Philadelphia Phillies
300
268.7
1998

AA - American Association
UA - Union Association

Sources:
baseball-reference.com
baseball-almanac.com
wikipedia.org
thebaseballcube.com