Stephen Kolek 2025 season stats
Stephen Kolek played 19 games in the 2025 MLB regular season, with 5 wins, a 3.51 ERA and 77 strikeouts.
2025 regular season
- GP
- 19
- R
- 49
- H
- 98
- K
- 77
- L
- 7
- W
- 5
- BB
- 31
- ER
- 44
- GS
- 19
- IP
- 112.2
- SV
- 0
- W%
- 0.4
2025 splits
Totals, from the 19 regular-season games in the log.
By opponent
2025 games
| IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | H: Times the batter reached base by hitting the ball, without help from an error. | R: Runs — scored by the batter, or allowed by the pitcher. | ER: Earned runs allowed — runs that scored without help from an error. | BB: Times the batter reached first base on four balls. | K: Batters this pitcher struck out. | HR: Home runs hit. | |||
|---|---|---|---|---|---|---|---|---|---|
| Sep 24, 2025 |  @ LAA | L 3-2 | 6.0 | 5 | 3 | 2 | 2 | 2 | 1 |
| Sep 18, 2025 |  vs SEA | L 2-0 | 7.1 | 2 | 2 | 1 | 1 | 8 | 0 |
| Sep 11, 2025 |  @ CLE | L 3-2 | 6.2 | 3 | 1 | 1 | 1 | 4 | 0 |
| Sep 6, 2025 |  vs MIN | W 11-2 | 7.0 | 6 | 2 | 2 | 1 | 4 | 0 |
| Aug 30, 2025 |  vs DET | W 3-1 | 6.0 | 4 | 1 | 1 | 0 | 3 | 0 |
| Jul 27, 2025 |  @ STL | W 9-2 | 6.0 | 4 | 2 | 2 | 3 | 2 | 1 |
| Jul 22, 2025 |  @ MIA | L 4-3 | 5.2 | 8 | 3 | 3 | 1 | 5 | 0 |
| Jul 5, 2025 |  vs TEX | L 7-4 | 5.1 | 9 | 6 | 6 | 1 | 2 | 2 |
| Jun 29, 2025 |  @ CIN | L 3-2 | 5.2 | 3 | 1 | 1 | 1 | 5 | 0 |
| Jun 23, 2025 |  vs WSH | L 10-6 | 4.1 | 5 | 5 | 4 | 1 | 5 | 0 |
| Jun 18, 2025 |  @ LAD | L 4-3 | 6.1 | 6 | 3 | 3 | 1 | 3 | 0 |
| Jun 13, 2025 |  @ ARI | L 5-1 | 4.1 | 7 | 5 | 4 | 2 | 5 | 2 |
| Jun 7, 2025 |  @ MIL | L 4-3 | 5.2 | 3 | 0 | 0 | 4 | 2 | 0 |
| Jun 2, 2025 |  @ SF | W 1-0 F/10 | 5.2 | 3 | 0 | 0 | 2 | 3 | 0 |
| May 27, 2025 | vs MIA | W 8-6 | 5.1 | 6 | 6 | 6 | 2 | 3 | 0 |
All 19 gamesOnly the last 15 games
| IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | H: Times the batter reached base by hitting the ball, without help from an error. | R: Runs — scored by the batter, or allowed by the pitcher. | ER: Earned runs allowed — runs that scored without help from an error. | BB: Times the batter reached first base on four balls. | K: Batters this pitcher struck out. | HR: Home runs hit. | |||
|---|---|---|---|---|---|---|---|---|---|
| Sep 24, 2025 | @ LAA | L 3-2 | 6.0 | 5 | 3 | 2 | 2 | 2 | 1 |
| Sep 18, 2025 | vs SEA | L 2-0 | 7.1 | 2 | 2 | 1 | 1 | 8 | 0 |
| Sep 11, 2025 | @ CLE | L 3-2 | 6.2 | 3 | 1 | 1 | 1 | 4 | 0 |
| Sep 6, 2025 | vs MIN | W 11-2 | 7.0 | 6 | 2 | 2 | 1 | 4 | 0 |
| Aug 30, 2025 | vs DET | W 3-1 | 6.0 | 4 | 1 | 1 | 0 | 3 | 0 |
| Jul 27, 2025 | @ STL | W 9-2 | 6.0 | 4 | 2 | 2 | 3 | 2 | 1 |
| Jul 22, 2025 | @ MIA | L 4-3 | 5.2 | 8 | 3 | 3 | 1 | 5 | 0 |
| Jul 5, 2025 | vs TEX | L 7-4 | 5.1 | 9 | 6 | 6 | 1 | 2 | 2 |
| Jun 29, 2025 | @ CIN | L 3-2 | 5.2 | 3 | 1 | 1 | 1 | 5 | 0 |
| Jun 23, 2025 | vs WSH | L 10-6 | 4.1 | 5 | 5 | 4 | 1 | 5 | 0 |
| Jun 18, 2025 | @ LAD | L 4-3 | 6.1 | 6 | 3 | 3 | 1 | 3 | 0 |
| Jun 13, 2025 | @ ARI | L 5-1 | 4.1 | 7 | 5 | 4 | 2 | 5 | 2 |
| Jun 7, 2025 | @ MIL | L 4-3 | 5.2 | 3 | 0 | 0 | 4 | 2 | 0 |
| Jun 2, 2025 | @ SF | W 1-0 F/10 | 5.2 | 3 | 0 | 0 | 2 | 3 | 0 |
| May 27, 2025 | vs MIA | W 8-6 | 5.1 | 6 | 6 | 6 | 2 | 3 | 0 |
| May 22, 2025 |  @ TOR | L 7-6 F/11 | 6.0 | 7 | 4 | 3 | 3 | 6 | 0 |
| May 16, 2025 | vs SEA | L 5-1 | 5.0 | 8 | 5 | 5 | 1 | 4 | 3 |
| May 10, 2025 |  @ COL | W 21-0 | 9.0 | 5 | 0 | 0 | 2 | 7 | 0 |
| May 4, 2025 |  @ PIT | W 4-0 | 5.1 | 4 | 0 | 0 | 2 | 4 | 0 |
Source: ESPN public MLB data, 2025 season.