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Michael Petersen
MLB
About Michael Petersen
Michael Kenechukwu Petersen (born May 16, 1994) is a British-American professional baseball pitcher for the Miami Marlins of Major League Baseball (MLB). He has previously played in MLB for the Los Angeles Dodgers and Atlanta Braves. He made his MLB debut in 2024.
Bio summary from Wikipedia.
Player Stats
| W | 4 | L | 4 | ERA | 3.02 | G | 65 |
|---|---|---|---|---|---|---|---|
| GS | 0 | SV | 1 | IP | 65.2 | H | 45 |
| R | 25 | ER | 22 | BB | 29 | SO | 81 |
| WHIP | 1.127 | H/9 | 6.2 | HR/9 | 0.7 | BB/9 | 4.0 |
| K/9 | 11.1 | FIP | 3.13 | WAR | 1.2 |
2026 pitching — Baseball-Reference
Career — Lahman, through 2025
Pitching
| Year | Team | W | L | ERA | G | GS | CG | SHO | SV | IP | H | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | LAN | 3 | 0 | 6.43 | 11 | 0 | 0 | 0 | 0 | 14.0 | 14 | 3 | 8 | 11 |
| 2024 | MIA | 0 | 1 | 4.76 | 5 | 0 | 0 | 0 | 0 | 5.2 | 7 | 0 | 3 | 3 |
| 2025 | ATL | 0 | 0 | 4.05 | 4 | 0 | 0 | 0 | 0 | 6.2 | 7 | 1 | 2 | 5 |
| 2025 | MIA | 0 | 0 | 3.97 | 11 | 0 | 0 | 0 | 0 | 11.1 | 11 | 2 | 5 | 12 |
Season lines from the Lahman Baseball Database (Version 2025, via SABR), joined through the Chadwick Register ID crosswalk. The databank runs through the 2025 season — the current season is the 2026 line below, from the MLB Stats API.
2026 Season — MLB Stats API
Pitching
| W | L | ERA | G | GS | CG | SHO | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 4 | 3.02 | 65 | 0 | 0 | 0 | 1 | 65.2 | 45 | 25 | 22 | 5 | 29 | 81 | 1.13 |
2026 regular-season line from the MLB Stats API (statsapi.mlb.com), pulled when this page was built. Multi-team stints are combined; rate stats are recomputed from the combined totals.
Watch Michael Petersen Highlights
“Michael Petersen 2026 MLB Highlights!” · Open on YouTube · More Michael Petersen videos