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Isaac Mattson's 2026 Legends Deck card — rated 60 overall using real 2026 Statcast pitching data (fastball velocity, spin, expected ERA, put-away rate). Ratings refresh nightly from Baseball Savant.
| ERA | 1.32 |
| WHIP | 1.32 |
| K/9 | 6.6 |
| BB/9 | 4.0 |
| HR/9 | 0.0 |
| Wins | 0 |
| Saves | 0 |
| Strikeouts | 10 |
| xERA | 5.50 |
| xwOBA Against | 0.393 |
| Avg Fastball Velo | 93.6 mph |
| Put-Away Rate | — |
| Zone Rate | — |
| First-Pitch Strike | 56.9% |
Open packs, hit the marketplace, or use the crafting system to add Isaac Mattson to your collection. Free to play — no download, no console, no subscription.
Legends Deck rates every card using percentile-scaled Statcast data from Baseball Savant. Isaac Mattson's current rating of 60 reflects their real 2026 season performance as of the last nightly refresh — not editorial opinion. When their actual Statcast numbers change, the card rating changes.
Full methodology: How Legends Deck card ratings work. Glossary: xwOBA, Statcast.