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Mason Black
MLB
About Mason Black
Mason Peter Black (born December 10, 1999) is an American professional baseball pitcher in the Kansas City Royals organization. He has previously played in Major League Baseball (MLB) for the San Francisco Giants.
Bio summary from Wikipedia.
Player Stats
| W | 0 | L | 0 | ERA | 4.31 | G | 17 |
|---|---|---|---|---|---|---|---|
| GS | 0 | SV | 0 | IP | 31.1 | H | 30 |
| R | 16 | ER | 15 | BB | 20 | SO | 19 |
| WHIP | 1.596 | H/9 | 8.6 | HR/9 | 1.7 | BB/9 | 5.7 |
| K/9 | 5.5 | FIP | 6.48 | WAR | 0.1 |
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 | SFN | 1 | 5 | 6.44 | 9 | 8 | 0 | 0 | 0 | 36.1 | 46 | 7 | 15 | 31 |
| 2025 | SFN | 0 | 0 | 6.75 | 1 | 0 | 0 | 0 | 0 | 4.0 | 5 | 2 | 0 | 5 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 4.31 | 17 | 0 | 0 | 0 | 0 | 31.1 | 30 | 16 | 15 | 6 | 20 | 19 | 1.60 |
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 Mason Black Highlights
“Mason Black 2024 Highlights!” · Open on YouTube · More Mason Black videos