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Stephen Kolek is a right-handed pitcher for the Kansas City Royals. In MLB, Stephen Kolek has appeared in 71 games (213.1 IP) with a 4.13 ERA and 6.33 strikeouts per nine. In AAA, Stephen Kolek has appeared in 59 games (124.0 IP) with a 4.79 ERA and 8.71 strikeouts per nine.
The table below lists the 50 most recent of Stephen Kolek's 131 tracked appearances, newest first, with innings pitched, hits, earned runs, walks, and strikeouts. Each date links to the full game page.
| Date | Lvl | Opp | IP | H | ER | BB | K |
|---|---|---|---|---|---|---|---|
| Jul 18, 2026 | AAA | Lehigh Valley IronPigs | 2.2 | 6 | 2 | 0 | 3 |
| Jul 2, 2026 | MLB | Tampa Bay Rays | 2.0 | 4 | 3 | 1 | 0 |
| Jun 21, 2026 | MLB | St. Louis Cardinals | 1.2 | 9 | 9 | 1 | 0 |
| Jun 14, 2026 | MLB | Houston Astros | 7.1 | 5 | 0 | 1 | 4 |
| Jun 9, 2026 | MLB | Texas Rangers | 5.0 | 8 | 1 | 1 | 3 |
| Jun 3, 2026 | MLB | Cincinnati Reds | 7.0 | 6 | 2 | 2 | 8 |
| May 29, 2026 | MLB | Texas Rangers | 5.0 | 6 | 4 | 1 | 5 |
| May 23, 2026 | MLB | Seattle Mariners | 9.0 | 4 | 0 | 1 | 2 |
| May 17, 2026 | MLB | St. Louis Cardinals | 6.1 | 4 | 0 | 1 | 3 |
| May 12, 2026 | MLB | Chicago White Sox | 4.2 | 5 | 5 | 3 | 6 |
| May 5, 2026 | MLB | Cleveland Guardians | 6.0 | 4 | 3 | 0 | 3 |
| Apr 29, 2026 | AAA | Louisville Bats | 4.1 | 8 | 1 | 0 | 4 |
| Apr 24, 2026 | AAA | Toledo Mud Hens | 3.2 | 4 | 2 | 2 | 4 |
| Apr 19, 2026 | AAA | Indianapolis Indians | 4.1 | 4 | 2 | 1 | 4 |
| Apr 14, 2026 | AAA | Indianapolis Indians | 4.0 | 3 | 0 | 1 | 2 |
| Sep 24, 2025 | MLB | Los Angeles Angels | 6.0 | 5 | 2 | 2 | 2 |
| Sep 18, 2025 | MLB | Seattle Mariners | 7.1 | 2 | 1 | 1 | 8 |
| Sep 11, 2025 | MLB | Cleveland Guardians | 6.2 | 3 | 1 | 1 | 4 |
| Sep 6, 2025 | MLB | Minnesota Twins | 7.0 | 6 | 2 | 1 | 4 |
| Aug 30, 2025 | MLB | Detroit Tigers | 6.0 | 4 | 1 | 0 | 3 |
| Aug 27, 2025 | AAA | Lehigh Valley IronPigs | 1.0 | 0 | 0 | 1 | 2 |
| Aug 21, 2025 | AAA | Columbus Clippers | 3.0 | 8 | 5 | 2 | 5 |
| Aug 15, 2025 | AAA | St. Paul Saints | 2.2 | 4 | 5 | 6 | 3 |
| Aug 9, 2025 | AAA | Indianapolis Indians | 6.1 | 9 | 1 | 1 | 6 |
| Aug 3, 2025 | AAA | Louisville Bats | 6.0 | 9 | 3 | 0 | 4 |
| Jul 27, 2025 | MLB | St. Louis Cardinals | 6.0 | 4 | 2 | 3 | 2 |
| Jul 22, 2025 | MLB | Miami Marlins | 5.2 | 8 | 3 | 1 | 5 |
| Jul 12, 2025 | AAA | Las Vegas Aviators | 3.0 | 5 | 1 | 1 | 1 |
| Jul 5, 2025 | MLB | Texas Rangers | 5.1 | 9 | 6 | 1 | 2 |
| Jun 29, 2025 | MLB | Cincinnati Reds | 5.2 | 3 | 1 | 1 | 5 |
| Jun 23, 2025 | MLB | Washington Nationals | 4.1 | 5 | 4 | 1 | 5 |
| Jun 18, 2025 | MLB | Los Angeles Dodgers | 6.1 | 6 | 3 | 1 | 3 |
| Jun 13, 2025 | MLB | Arizona Diamondbacks | 4.1 | 7 | 4 | 2 | 5 |
| Jun 7, 2025 | MLB | Milwaukee Brewers | 5.2 | 3 | 0 | 4 | 2 |
| Jun 2, 2025 | MLB | San Francisco Giants | 5.2 | 3 | 0 | 2 | 3 |
| May 27, 2025 | MLB | Miami Marlins | 5.1 | 6 | 6 | 2 | 3 |
| May 22, 2025 | MLB | Toronto Blue Jays | 6.0 | 7 | 3 | 3 | 6 |
| May 16, 2025 | MLB | Seattle Mariners | 5.0 | 8 | 5 | 1 | 4 |
| May 10, 2025 | MLB | Colorado Rockies | 9.0 | 5 | 0 | 2 | 7 |
| May 4, 2025 | MLB | Pittsburgh Pirates | 5.1 | 4 | 0 | 2 | 4 |
| Apr 23, 2025 | AAA | Sacramento River Cats | 5.0 | 6 | 2 | 0 | 4 |
| Apr 17, 2025 | AAA | Albuquerque Isotopes | 5.0 | 9 | 7 | 3 | 3 |
| Apr 11, 2025 | AAA | Las Vegas Aviators | 5.0 | 4 | 2 | 0 | 4 |
| Apr 5, 2025 | AAA | Oklahoma City Comets | 4.0 | 10 | 6 | 0 | 6 |
| Mar 30, 2025 | AAA | Salt Lake Bees | 5.0 | 4 | 0 | 1 | 3 |
| Jul 30, 2024 | MLB | Los Angeles Dodgers | 1.0 | 0 | 0 | 2 | 0 |
| Jul 27, 2024 | MLB | Baltimore Orioles | 1.2 | 3 | 0 | 0 | 2 |
| Jul 19, 2024 | MLB | Cleveland Guardians | 0.0 | 4 | 4 | 0 | 0 |
| Jul 14, 2024 | MLB | Atlanta Braves | 1.0 | 3 | 3 | 0 | 0 |
| Jul 9, 2024 | MLB | Seattle Mariners | 1.1 | 0 | 0 | 0 | 3 |