MLB Strikeout RecordS SET BY PITCHERS

Major League Baseball Strikeout Records Set by Pitchers

Baseball Almanac is pleased to present a record book full of baseball milestones for strikeouts - including career strikeout marks, single season strikeout plateaus, game related strikeout records and team strikeout records.

Baseball Almanac Top Quote

"It gave me no chance. He just blew it ( Nolan Ryan : strikeout number five-thousand) by me. But its an honor. I'll have another paragraph in all the baseball books. I'm already in the books three or four times." - Rickey Henderson

Strikeout Records for Pitchers

Career Strikeout Records for Pitchers

Most Strikeouts by a Pitcher
In A Career
( Top 1,000 )
AL
Boston
2,590
4,167
Toronto
563
New York
1,014
NL
St. Louis
951
4,000
Philadelphia
3,031
San Francisco
18
ML
California [AL]
2,416
5,714
Texas [AL]
939
New York [NL]
493
Houston [NL]
1,866
Most Strikeouts by a Pitcher
In A Career
By A Lefthander
AL
Cleveland
1,265
2,846
Milwaukee
128
New York
1,453
NL
St. Louis
951
4,000
Philadelphia
3,031
San Francisco
18
ML
Montreal [NL]
51
4,875
Seattle [AL]
2,162
Houston [NL]
116
Arizona [NL]
2,077
New York [AL]
383
San Francisco [NL]
86
Most Strikeouts by a Pitcher
In A Career
By A Righthander
AL
Boston
2,590
4,167
Toronto
563
New York
1,014
NL
Chicago
1,305
3,371
Atlanta
1,828
Los Angeles
54
San Diego
184
ML
California [AL]
2,416
5,714
Texas [AL]
939
New York [NL]
493
Houston [NL]
1,866
Most Games
In A Career
With 10+ Strikeouts
AL
California
114
148
Texas
34
NL
Montreal
1
114
Houston
7
Arizona
106
San Francisco
0
ML
California [AL]
114
215
Texas [AL]
34
New York [NL]
14
Houston [NL]
53
Most Games
In A Career
With 15+ Strikeouts
AL
California
19
23
Texas
4
NL
Montreal
0
12
Houston
1
Arizona
11
San Francisco
0
ML
Montreal [NL]
0
29
Seattle [AL]
17
Houston [NL]
1
Arizona [NL]
11
New York [AL]
0
San Francisco [NL]
0

Strikeout Record for Pitchers

Game Specific Strikeout Records for Pitchers

Most Strikeouts by a Pitcher
In A 9-Inning Game
AL
Boston
20
Boston
NL
Washington
20
Chicago
Most Strikeouts by a Pitcher
In a 9-Inning Game
By A Lefthander
AL
Seattle
19
Seattle
NL
St. Louis
19
Most Strikeouts by a Pitcher
In a 9-Inning Game
By A Right Hander
AL
Boston
20
Boston
NL
Washington
20
Chicago
Most Strikeouts by a Pitcher
In a 9-Inning Game
By A Rookie - 1 st Game Ever
AL
Philadelphia
12
Milwaukee
NL
Houston
15
Brooklyn

Most Strikeouts by a Pitcher
In a 9-Inning Game
Consecutively

Bold = League Leader

AL
Detroit
9
08-02-2020
Detroit
Boston
8
New York
California
California
Kansas City
NL
New York
10

Most Strikeouts by a Pitcher
Consecutively
From 1 st Batter

Bold = League Leader

AL
Chicago
7
Chicago
NL
New York
9
08-28-1884
New York
8
Houston
Colorado
Most Strikeouts by a Pitcher
In An Extra Inning Game
AL
Tom Cheney
(Pitched 16 Innings)
Washington
21
16 Innings
NL
Randy Johnson
(Pitched 9 Innings)
Arizona
20
11 Innings

Most Strikeouts by a Pitcher
In An Opening Day Game
(13-or-more Strikeouts List)

Bold = League Leader

AL
Washington
15
AL
Seattle
14
AL
Seattle
14
NL
Los Angeles
14
AL
Cleveland
14
07-24-2020
NL
Chicago
13
NL
St. Louis
13
NL
Houston
13
AL
Baltimore
13
Most Strikeouts by a Relief Pitcher
In A 9-Inning Game
AL
Washington
15
NL
Arizona
16

Strikeout Records for Pitchers

Inning-by-Inning Specific Strikeout Records for Pitchers

Most Strikeouts by a Pitcher
Through the 1 st Inning
AL
Texas
4
Seattle
Anaheim
NL
Florida
4
Most Strikeouts by a Pitcher
Through the 2 nd Inning
AL
Too Many To List
-
6
-
NL
Los Angeles
7
Most Strikeouts by a Pitcher
Through the 3 rd Inning
AL
Cleveland
9
Tampa Bay
NL
New York
9
08-28-1884
Houston
New York
Los Angeles
Colorado
Most Strikeouts by a Pitcher
Through the 4 th Inning
AL
California
11
Los Angeles
Tampa Bay
NL
Arizona
11
Arizona
Chicago
Washington
Most Strikeouts by a Pitcher
Through the 5 th Inning
AL
Seattle
13
Seattle
Los Angeles
Tampa Bay
NL
Houston
13
Washington
Most Strikeouts by a Pitcher
Through the 6 th Inning
AL
Seattle
16
NL
New York
15
Most Strikeouts by a Pitcher
Through the 7 th Inning
AL
Boston
17
Boston
NL
Houston
16
Montreal
Los Angeles
Arizona
Arizona
San Diego
San Diego
Philadelphia
Most Strikeouts by a Pitcher
Through the 8 th Inning
AL
Boston
19
NL
Los Angeles
18
Chicago
Arizona
Washington
Most Strikeouts by a Pitcher
Through the 9 th Inning
AL
Boston
20
Boston
NL
Chicago
20
Arizona
Washington

Strikeout Records for Pitchers

Single Season Strikeout Records for Pitchers

Most Strikeouts by a Pitcher
In A Season
( Top 500 )
AA
Baltimore
513
1886
AL
California
383
1973
NL
Providence
441
1884
UA
Chicago/Washington
483
1884
Most Strikeouts by a Pitcher
In A Season
By A Lefthander
AA
Baltimore
513
1886
AL
Philadelphia
349
1904
NL
Los Angeles
382
1965
Most Strikeouts by a Pitcher
In A Season
By A Relief Pitcher
AL
Boston
181
1964
NL
Houston
157
2004
Most Strikeouts by a Pitcher
In A Season
By A Righthander
AL
California
383
1973
NL
Providence
441
1884
UA
Chicago/Washington
483
1884
Most Strikeouts by a Pitcher
In A Season
By A Rookie
AA
Baltimore
513
1886
AL
Cleveland
245
1955
NL
New York
276
1984
Most Games
In A Season
With 10+ Strikeouts
AL
California
23
1973
NL
Arizona
23
1999
Arizona
2000
Arizona
2001
Most Games
In A Season (CONSECUTIVELY)
With 10+ Strikeouts
AL
Boston
8
08-19-1999
09-27-1999
Chicago
05-23-2015
06-30-2015
Boston
04-10-2017
05-19-2017
NL
Arizona
7
04-13-2001
05-13-2001
Most Seasons
With 100+ Strikeouts
AL
Boston
12
19
Toronto
2
New York
5
NL
Chicago
8
21
Atlanta
11
Chicago/LA
1
San Diego
1
ML
California [AL]
8
24
Texas [AL]
4
New York [NL]
3
Houston [NL]
9
Most Seasons
With 200+ Strikeouts
AL
Boston
8
11
Toronto
2
New York
1
NL
New York
9
10
Cincinnati
1
ML
California [AL]
7
15
Texas [AL]
3
Houston [NL]
5
Most Seasons
With 300+ Strikeouts
AL
California
5
6
Texas
1
NL
Arizona
4
4
ML
California
5
6
Texas
1
Seattle [AL]
1
Seattle [AL] / Houston [NL]
1
Arizona [NL]
4
Strikeout Records for Pitchers | Research by Baseball Almanac
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baseball almanac fast facts

Only a handful of pitchers, during the same inning , have thrown exactly nine pitches, recorded exactly nine strikes, and retired the side in an inning of play ; a truly amazing pitching feat that we've researched on Baseball Almanac .

Team specfic strikeout records ; most strikeouts in a season, fewest in a season, most in a game, most in a doubleheader, and dozens more are in this record book.

Did you know that its possible for a pitcher to strike out four batters in the same inning ? It has been done several times in baseball history, and every instance is recorded on Baseball Almanac !

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