Isaac Mattson
IM
Isaac
Mattson
#72
6′2″ 31 yrs US
35 Games Played
4.91
ERA
#470
30
Strikeouts
#342
0
Wins
#418
1.52
WHIP
#534
33.0
Innings
#335
L
0
BB
15
H
35
HR
3
Career Statistics
Pitching
| Season | G | IP | W | L | ERA | WHIP | SO | BB | H | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| MLB 2024 | 3 | 5.1 | 0 | 0 | 5.06 | 1.13 | 6 | 5 | 1 | 0 |
| MLB 2025 | 43 | 47.2 | 3 | 3 | 2.45 | 1.07 | 45 | 17 | 34 | 4 |
| MLB 2026 | 35 | 33.0 | 0 | 0 | 4.91 | 1.52 | 30 | 15 | 35 | 3 |
| Career | 81 | 86.0 | 3 | 3 | 3.56 | 1.24 | 81 | 37 | 70 | 7 |
| MLB Spring Training 2026 | 6 | 7.1 | 2 | 0 | 0 | 0.55 | 10 | 2 | 2 | 0 |
Game Log
IP: Innings Pitched · H: Hits Allowed · R: Runs · ER: Earned Runs · BB: Walks · K: Strikeouts · HR: Home Runs · PC-ST: Pitches-Strikes · W/L: Win/Loss Decision
Splits
Pitching
| Split | G | IP | W | L | ERA | WHIP | SO | BB | H | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| Home | 19 | 18.1 | 0 | 0 | 4.42 | 1.47 | 16 | 9 | 18 | 0 |
| Away | 16 | 14.2 | 0 | 0 | 5.52 | 1.57 | 14 | 6 | 17 | 3 |
vs. Opponents
| OPP | W-L | G | IP | W | L | ERA | WHIP | SO | BB | H | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|
| WSHNationals | 1-3 | 4 | 5.1 | 0 | 0 | 6.75 | 1.69 | 3 | 2 | 7 | 2 |
| MILBrewers | 4-0 | 4 | 3.2 | 0 | 0 | 0.00 | 1.09 | 2 | 2 | 2 | 0 |
| CINReds | 1-3 | 4 | 4.1 | 0 | 0 | 0.00 | 0.46 | 4 | 1 | 1 | 0 |
| CHCCubs | 2-1 | 3 | 2.1 | 0 | 0 | 11.57 | 3.43 | 2 | 2 | 6 | 0 |
| PHIPhillies | 0-3 | 3 | 3.0 | 0 | 0 | 0.00 | 1.00 | 2 | 1 | 2 | 0 |
| CLEGuardians | 2-0 | 2 | 2.0 | 0 | 0 | 0.00 | 0.50 | 3 | 0 | 1 | 0 |
| STLCardinals | 0-2 | 2 | 1.0 | 0 | 0 | 45.00 | 5.00 | 1 | 2 | 3 | 0 |
| SDPadres | 1-1 | 2 | 1.2 | 0 | 0 | 0.00 | 1.80 | 2 | 0 | 3 | 0 |
| NYMMets | 1-1 | 2 | 1.2 | 0 | 0 | 10.80 | 3.00 | 3 | 2 | 3 | 0 |
| TBRays | 1-1 | 2 | 2.0 | 0 | 0 | 0.00 | 0.00 | 1 | 0 | 0 | 0 |
| ATLBraves | 0-1 | 1 | 1.0 | 0 | 0 | 9.00 | 2.00 | 1 | 0 | 2 | 0 |
| ARIDiamondbacks | 1-0 | 1 | 0.1 | 0 | 0 | 0.00 | 0.00 | 1 | 0 | 0 | 0 |
| OAKAthletics | 1-0 | 1 | 1.0 | 0 | 0 | 9.00 | 1.00 | 2 | 0 | 1 | 1 |
| SEAMariners | 0-1 | 1 | 1.0 | 0 | 0 | 0.00 | 0.00 | 1 | 0 | 0 | 0 |
| BALOrioles | 1-0 | 1 | 1.0 | 0 | 0 | 0.00 | 2.00 | 1 | 1 | 1 | 0 |
| MIAMarlins | 0-1 | 1 | 1.1 | 0 | 0 | 0.00 | 1.50 | 1 | 2 | 0 | 0 |
| SFGiants | 0-1 | 1 | 0.1 | 0 | 0 | 54.00 | 9.00 | 0 | 0 | 3 | 0 |
