Stephen Kolek
Kansas City Royals- Age
- 29
- Born
- April 18, 1997 · Houston, TX, USA
- Height / weight
- 6' 3", 210 lb
- Bats / throws
- Right / Right
- MLB debut
- March 21, 2024
2026 pitching
- W-L
- 4-3
- ERA
- 4.50
- SO
- 34
- WHIP
- 1.24
- IP
- 54.0
- SV
- 0
2026 game log (pitching)
| Date | Opp | Result | IP | H | R | ER | BB | SO | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|---|
| 7/2 | vs TB | L | 2.0 | 4 | 3 | 3 | 1 | 0 | 0 | 4.50 |
| 6/21 | vs STL | L | 1.2 | 9 | 9 | 9 | 1 | 0 | 3 | 4.15 |
| 6/14 | vs HOU | W | 7.1 | 5 | 0 | 0 | 1 | 4 | 0 | 2.68 |
| 6/9 | vs TEX | W | 5.0 | 8 | 2 | 1 | 1 | 3 | 0 | 3.14 |
| 6/3 | @ CIN | W | 7.0 | 6 | 2 | 2 | 2 | 8 | 1 | 3.32 |
| 5/29 | @ TEX | L | 5.0 | 6 | 6 | 4 | 1 | 5 | 1 | 3.48 |
| 5/23 | vs SEA | W | 9.0 | 4 | 0 | 0 | 1 | 2 | 0 | 2.77 |
| 5/17 | @ STL | W | 6.1 | 4 | 0 | 0 | 1 | 3 | 0 | 4.24 |
| 5/12 | @ CWS | L | 4.2 | 5 | 5 | 5 | 3 | 6 | 2 | 6.75 |
| 5/5 | vs CLE | W | 6.0 | 4 | 3 | 3 | 0 | 3 | 1 | 4.50 |
ERA is the season ERA after that game.
Career pitching
| Season | Team | W | L | ERA | G | GS | SV | IP | H | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | KC | 4 | 3 | 4.50 | 10 | 10 | 0 | 54.0 | 55 | 27 | 8 | 12 | 34 | 1.24 |
| 2025 | SD / KC | 5 | 7 | 3.51 | 19 | 19 | 0 | 112.2 | 98 | 44 | 9 | 31 | 77 | 1.14 |
| 2024 | SD | 3 | 0 | 5.21 | 42 | 0 | 0 | 46.2 | 59 | 27 | 4 | 12 | 39 | 1.52 |
| Career | 12 | 10 | 4.13 | 71 | 29 | 0 | 213.1 | 212 | 98 | 21 | 55 | 150 | 1.25 |
Regular season. Career high.
Stats from the MLB Stats API.