MLB · Mariners · RP
Jhonathan Diaz ERA
No 2026 MLB games logged for Jhonathan Diaz yet. This page fills in from the first final box score.
2026 season
Search ResultJhonathan Diaz — ERA1 games
Jhonathan Diaz has a 6.75 ERA this season (1 ER over 1.1 IP).
SZN
6.75
The next game, the posted lines on it, and every ERA answer once a box score is final.