most strike outs in a game by a lh pitcher

Randy Johnson has struck out the most hitters by a left-hander in a game, with 20 strikeouts against the Reds on May 8, 2001.

Interpreted as:
most strike outs in a regular-season game by a lh pitcher
NAME SO DATE TM OPP DEC GS ERA CG SHO SV IP H ER R HR BB HBP GF IBB TBF WP
1 Randy Johnson
R. Johnson
20
5/8/2001
ARI ARI
vs
CIN CIN
1
1.00
0
0
0
9.0
3
1
1
0
0
0
0
0
29
0
2 Randy Johnson
R. Johnson
19
8/8/1997
SEA SEA
vs
CWS CWS
W
1
0.00
1
1
0
9.0
5
0
0
0
3
0
0
0
35
0
3 Randy Johnson
R. Johnson
19
6/24/1997
SEA SEA
vs
OAK OAK
L
1
4.00
1
0
0
9.0
11
4
4
2
0
0
0
0
37
0
4 Steve Carlton
S. Carlton
19
9/15/1969
STL STL
vs
NYM NYM
L
1
4.00
1
0
0
9.0
9
4
4
2
2
0
0
0
38
1
5 Randy Johnson
R. Johnson
18
9/27/1992
SEA SEA
@
TEX TEX
1
2.25
0
0
0
8.0
6
2
2
0
4
0
0
0
34
0
6 Ron Guidry
R. Guidry
18
6/17/1978
NYY NYY
vs
CAL CAL
W
1
0.00
1
1
0
9.0
4
0
0
0
2
0
0
0
33
0
7 Chris Short
C. Short
18
10/2/1965
PHI PHI
@
NYM NYM
1
0.00
0
0
0
15.0
9
0
0
0
3
0
0
1
56
0
8 Sandy Koufax
S. Koufax
18
4/24/1962
LAD LAD
@
CHC CHC
W
1
2.00
1
0
0
9.0
6
2
2
1
4
0
0
0
36
0
9 Sandy Koufax
S. Koufax
18
8/31/1959
LAD LAD
vs
SFG SFG
W
1
2.00
1
0
0
9.0
7
2
2
1
2
0
0
0
36
0
10 Warren Spahn
W. Spahn
18
6/14/1952
BSN BSN
vs
CHC CHC
L
1
1.80
1
0
0
15.0
10
3
3
1
2
0
0
1
57
0
11 Chris Sale
C. Sale
17
5/14/2019
BOS BOS
vs
COL COL
1
2.57
0
0
0
7.0
3
2
2
1
0
0
0
0
24
0
12 Johan Santana
J. Santana
17
8/19/2007
MIN MIN
vs
TEX TEX
W
1
0.00
0
0
0
8.0
2
0
0
0
0
0
0
0
26
0
13 Randy Johnson
R. Johnson
17
9/14/2002
ARI ARI
vs
MIL MIL
W
1
0.00
1
1
0
9.0
3
0
0
0
2
0
0
0
32
0
14 Randy Johnson
R. Johnson
17
4/21/2002
ARI ARI
vs
COL COL
W
1
0.00
1
0
0
9.0
2
0
1
0
1
0
0
0
31
0
15 Randy Johnson
R. Johnson
17
6/30/1999
ARI ARI
@
CIN CIN
L
1
2.25
1
0
0
8.0
7
2
2
1
0
0
0
0
30
0
16 Frank Tanana
F. Tanana
17
6/21/1975
CAL CAL
vs
TEX TEX
W
1
2.00
1
0
0
9.0
9
2
2
0
0
0
0
0
35
0
17 Vida Blue
V. Blue
17
7/9/1971
OAK OAK
vs
CAL CAL
1
0.00
0
0
0
11.0
7
0
0
0
0
0
0
0
40
1
18 Rube Waddell
R. Waddell
17
9/20/1908
SLA SLA
vs
WSH WSH
W
1
1
0
0
10.0
5
1
0
5
0
0
38
0
19 Jack Pfiester
J. Pfiester
17
5/30/1906
CHC CHC
vs
SLN SLN
L
1
1
0
0
15.0
12
4
0
2
0
0
57
0
20 Rube Waddell
R. Waddell
17
9/5/1905
PHA PHA
@
BSA BSA
L
1
1
0
0
12.1
4
3
0
7
1
0
49
1
21 James Paxton
J. Paxton
16
5/2/2018
SEA SEA
vs
OAK OAK
1
0.00
0
0
0
7.0
5
0
0
0
1
0
0
0
27
0
22 Danny Duffy
D. Duffy
16
8/1/2016
KCR KCR
@
TBR TBR
W
1
0.00
0
0
0
8.0
1
0
0
0
1
0
0
0
26
0
23 Cliff Lee
C. Lee
16
5/6/2011
PHI PHI
vs
ATL ATL
L
1
3.86
0
0
0
7.0
9
3
3
0
1
0
0
0
31
0
24 Randy Johnson
R. Johnson
16
8/25/2002
ARI ARI
vs
CHC CHC
W
1
0.00
1
1
0
9.0
6
0
0
0
2
0
0
0
35
0
25 Randy Johnson
R. Johnson
16
9/27/2001
ARI ARI
vs
MIL MIL
W
1
6.75
0
0
0
6.2
7
5
5
1
2
0
0
0
30
1
Results may be incomplete. StatMuse has complete game-level data for strikeouts going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.

More Diamondbacks Stats

Team Rankings

HR

53

4th

R

202

5th

SO

340

8th

ERA

4.68

25th

2025 Division Standings
TEAM W L PCT GB
Dodgers Dodgers
26
13
.667
Padres Padres
24
13
.649
1.0
Giants Giants
24
15
.615
2.0
Diamondbacks Diamondbacks
20
19
.513
6.0
Rockies Rockies
6
32
.158
19.5
Schedule
DATE MATCHUP TIME (ET)
Sat
5/10
LAD LAD
@
AZ AZ
8:10 PM
Sun
5/11
LAD LAD
@
AZ AZ
4:10 PM
Mon
5/12
AZ AZ
@
SFG SFG
9:45 PM
Tue
5/13
AZ AZ
@
SFG SFG
9:45 PM
Wed
5/14
AZ AZ
@
SFG SFG
3:45 PM
Last Game
AZ Diamondbacks

20 - 19

11

Final

14

LAD Dodgers

26 - 13

Fri 9 May 2025

MLB 2025 Batting Leaders

MLB 2025 Pitching Leaders

MLB Fantasy 2025

MLB 2025 Betting

MLB 2025 Division Standings

NL East W L PCT GB
Mets Mets
25
14
.641
Phillies Phillies
22
16
.579
2.5
NL Central W L PCT GB
Cubs Cubs
22
17
.564
Cardinals Cardinals
20
19
.513
2.0
NL West W L PCT GB
Dodgers Dodgers
26
13
.667
Padres Padres
24
13
.649
1.0
AL East W L PCT GB
Yankees Yankees
22
16
.579
Red Sox Red Sox
20
20
.500
3.0
AL Central W L PCT GB
Tigers Tigers
26
13
.667
Guardians Guardians
23
15
.605
2.5
AL West W L PCT GB
Mariners Mariners
22
15
.595
Astros Astros
19
18
.514
3.0

MLB 2025 Scores & Schedule

Scores

DATE MATCHUP SCORE
Thu
4/24
PHI PHI
@
CHC CHC
0-4
Thu
4/24
NYM NYM
@
WSH WSH
4-5
Thu
4/24
TOR TOR
@
NYY NYY
4-2
Thu
4/24
LAA LAA
@
MIN MIN
4-11
Thu
4/24
HOU HOU
@
KCR KCR
0-2

Schedule

DATE MATCHUP TIME (ET)
Sat
5/10
ATL ATL
@
PIT PIT
4:05 PM
Sat
5/10
NYY NYY
@
ATH ATH
4:05 PM
Sat
5/10
STL STL
@
WSH WSH
4:05 PM
Sat
5/10
MIL MIL
@
TBR TBR
4:10 PM
Sat
5/10
TEX TEX
@
DET DET
6:10 PM