Bill Steele has the best K/9 in a start, with 162.00 per nine innings versus the Boston Braves on July 11, 1912.
Interpreted as:
highest strikeouts per nine in a single regular-season start by a player| NAME | K/9 | GS | DATE | TM | OPP | DEC | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Steele | 162.00 | 1 | 7/11/1912 | vs | 27.00 | 6 | 0 | 0 | 0 | 0.1 | 2 | 1 | 2 | 0 | 2 | 0 | 0 | 6 | 0 | ||||
| 2 | | W. Sudhoff | 54.00 | 1 | 5/14/1905 | vs | L | 8 | 0 | 0 | 0 | 1.1 | 3 | 6 | 0 | 2 | 0 | 0 | 0 | ||||||
| 3 | | J. Tannehill | 45.00 | 1 | 9/24/1906 | @ | L | 5 | 0 | 0 | 0 | 1.0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | ||||||
| 4 | | E. Sheehan | 27.00 | 1 | 9/26/2025 | @ | 0.00 | 3 | 0 | 0 | 0 | 1.0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | |||
| 5 |  | M. Scherzer | 27.00 | 1 | 9/19/2025 | @ | L | 94.50 | 2 | 0 | 0 | 0 | 0.2 | 7 | 7 | 7 | 2 | 1 | 0 | 0 | 0 | 10 | 0 | ||
| 6 | | A. Banda | 27.00 | 1 | 9/15/2025 | vs | 27.00 | 1 | 0 | 0 | 0 | 0.1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | |||
| 7 | | J. Oviedo | 27.00 | 1 | 8/4/2025 | vs | 18.00 | 3 | 0 | 0 | 0 | 1.0 | 2 | 2 | 2 | 0 | 3 | 0 | 0 | 0 | 8 | 0 | |||
| 8 | | A. Cox | 27.00 | 1 | 8/2/2025 | @ | 27.00 | 1 | 0 | 0 | 0 | 0.1 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |||
| 9 | | D. Pomeranz | 27.00 | 1 | 7/5/2025 | vs | 54.00 | 1 | 0 | 0 | 0 | 0.1 | 1 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | |||
| 10 | | B. Hurter | 27.00 | 1 | 6/21/2025 | @ | L | 0.00 | 2 | 0 | 0 | 0 | 0.2 | 2 | 0 | 4 | 0 | 2 | 1 | 0 | 0 | 8 | 0 | ||
| 11 | | E. Lucas | 27.00 | 1 | 4/20/2025 | vs | L | 32.40 | 5 | 0 | 0 | 0 | 1.2 | 7 | 6 | 6 | 2 | 2 | 0 | 0 | 0 | 14 | 1 | ||
| 12 | | F. Cruz | 27.00 | 1 | 9/6/2024 | @ | 18.00 | 3 | 0 | 0 | 0 | 1.0 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | |||
| 13 | | B. Bernardino | 27.00 | 1 | 8/16/2024 | @ | 0.00 | 2 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | |||
| 14 |  | R. Ray | 27.00 | 1 | 8/14/2024 | vs | L | 67.50 | 2 | 0 | 0 | 0 | 0.2 | 1 | 5 | 5 | 1 | 3 | 2 | 0 | 0 | 8 | 0 | ||
| 15 | | A. Faedo | 27.00 | 1 | 7/28/2024 | vs | L | 9.00 | 3 | 0 | 0 | 0 | 1.0 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 6 | 0 | ||
| 16 | | M. Parker | 27.00 | 1 | 7/13/2024 | @ | 67.50 | 2 | 0 | 0 | 0 | 0.2 | 3 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 7 | 0 | |||
| 17 | | D. Altavilla | 27.00 | 1 | 6/12/2024 | vs | L | 135.00 | 1 | 0 | 0 | 0 | 0.1 | 3 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 6 | 0 | ||
| 18 | | K. Nelson | 27.00 | 1 | 10/1/2023 | vs | L | 54.00 | 1 | 0 | 0 | 0 | 0.1 | 2 | 2 | 3 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | ||
| 19 | | C. Ferguson | 27.00 | 1 | 9/19/2023 | vs | 9.00 | 3 | 0 | 0 | 0 | 1.0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | |||
| 20 | | C. Selby | 27.00 | 1 | 9/13/2023 | vs | 9.00 | 3 | 0 | 0 | 0 | 1.0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |||
| 21 | | B. White | 27.00 | 1 | 8/30/2023 | vs | L | 27.00 | 2 | 0 | 0 | 0 | 0.2 | 2 | 2 | 2 | 0 | 1 | 2 | 0 | 0 | 7 | 0 | ||
| 22 | | F. Cruz | 27.00 | 1 | 8/26/2023 | @ | 0.00 | 4 | 0 | 0 | 0 | 1.1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |||
| 23 | | S. Alexander | 27.00 | 1 | 8/21/2023 | @ | 13.50 | 2 | 0 | 0 | 0 | 0.2 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |||
| 24 | | R. Walker | 27.00 | 1 | 8/9/2023 | @ | 0.00 | 3 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | |||
| 25 | | M. Grove | 27.00 | 1 | 8/5/2023 | @ | 0.00 | 4 | 0 | 0 | 0 | 1.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |||
SLN
BSN
SLA
PHA
BSA
CWS
KCR
PIT
SFG
ATL
STL
TBR
NYM
BAL
MIN
WSH
ARI
HOU
LAAResults may be incomplete. StatMuse has complete game-level data for K/9 and starts going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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MLB 2025 Batting Leaders
MLB 2025 Pitching Leaders
MLB Fantasy 2025
MLB 2025 Betting
MLB 2025 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Phillies - y | 96 | 66 | .593 | |
83 | 79 | .512 | 13.0 | |
79 | 83 | .488 | 17.0 | |
76 | 86 | .469 | 20.0 | |
66 | 96 | .407 | 30.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 97 | 65 | .599 | |
 Cubs - w | 92 | 70 | .568 | 5.0 |
 Reds - w | 83 | 79 | .512 | 14.0 |
78 | 84 | .481 | 19.0 | |
71 | 91 | .438 | 26.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 93 | 69 | .574 | |
 Padres - w | 90 | 72 | .556 | 3.0 |
81 | 81 | .500 | 12.0 | |
80 | 82 | .494 | 13.0 | |
43 | 119 | .265 | 50.0 |
Marlins
Diamondbacks
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Blue Jays - y | 94 | 68 | .580 | |
 Yankees - w | 94 | 68 | .580 | |
 Red Sox - w | 89 | 73 | .549 | 5.0 |
77 | 85 | .475 | 17.0 | |
75 | 87 | .463 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 88 | 74 | .543 | |
 Tigers - w | 87 | 75 | .537 | 1.0 |
82 | 80 | .506 | 6.0 | |
70 | 92 | .432 | 18.0 | |
60 | 102 | .370 | 28.0 | |
| AL West | W | L | PCT | GB |
 Mariners - y | 90 | 72 | .556 | |
87 | 75 | .537 | 3.0 | |
81 | 81 | .500 | 9.0 | |
76 | 86 | .469 | 14.0 | |
72 | 90 | .444 | 18.0 |
Rangers
Athletics
