Selected Umpire
Tomoya Ishiyama
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Current profile selection.
Assignments captured in the available MLB data.
Plate assignments across all tracked seasons.
Distinct MLB seasons with at least one assignment.
Combined first, second, and third base assignments.
Average combined runs in this umpire’s plate games.
Average game length when working the plate.
Average attendance in this umpire’s plate games.
Most recent MLB assignments for Tomoya Ishiyama, including position and total runs.
| Date | Matchup | Position | Venue | Status | Total Runs |
|---|---|---|---|---|---|
| 2025-03-16 | Los Angeles Dodgers at Hanshin Tigers | Second Base | Tokyo Dome | Final | 3.0 |
| 2025-03-15 | Chicago Cubs at Hanshin Tigers | First Base | Tokyo Dome | Final | 3.0 |
| 2019-03-18 | Seattle Mariners at Tokyo Yomiuri Giants | Home Plate | Tokyo Dome | Final | 11.0 |