MLB · Pirates · RP
Isaac Mattson WHIP
No 2026 MLB games logged for Isaac Mattson yet. This page fills in from the first final box score.
2026 season
Search ResultIsaac Mattson — WHIP38 games
Isaac Mattson has a 1.60 WHIP this season (62 baserunners over 38.2 IP) — 2.14 over the last 10 games (25 baserunners over 11.2 IP).
L5
2.43
L10
2.14
L20
1.75
SZN
1.60
The next game, the posted lines on it, and every WHIP answer once a box score is final.