Isaac Mattson stats

Mariners

Last played for the Pittsburgh Pirates, 2026

Relief Pitcher · #72

Age 31 · 6' 2" · 214 lbs

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Isaac Mattson recorded 0 wins, a 5.35 ERA and 36 strikeouts in 38 games of 2026 for the Pittsburgh Pirates. Last game: .

Stats

Choose how these numbers are shown

Standard

GP
38
W
0
L
0
ERA
5.35
IP
38.2
K
36
BB
18
WHIP
1.60
Standard by season
GP: Games the player appeared in, however briefly.W: Games in which this pitcher was credited with the win.L: Games in which this pitcher was charged with the loss.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.K: Batters this pitcher struck out.BB: Times the batter reached first base on four balls.WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite.
2021BAL4006.234.1352.31
2024PIT300, led the MLB5.065.1651.13
2025PIT44332.4547.245191.13
2026PIT3800, led the MLB5.3538.236181.60

What the columns mean: W · L · ERA · IP · K · BB · WHIP

Bold marks the best figure in the MLB that season, among players with at least 30 games.

Career regular season

GP
89
W
3
L
3
ERA
3.94
IP
96.0
K
90
BB
47
WHIP
1.38

Expanded

QS
0
CG
0
SHO
0
K/9
8.4
GB
33
FB
88
G/F
0.40
WP
1
Expanded by season
QS: Quality starts: six innings or more with no more than three earned runs.CG: Complete games, pitched from the first out to the last.SHO: Shutouts — complete games with no run allowed.K/9: Strikeouts for every nine innings pitched.GB: Ground balls hit against this pitcher.FB: Fly balls hit against this pitcher.G/F: Ground balls for every fly ball hit against this pitcher.WP: Wild pitches — throws the catcher had no chance to stop.
2021BAL0006.25100.51
2024PIT00010.1651.20
2025PIT0008.538940.40
2026PIT0008.433880.41

What the columns mean: QS · CG · SHO · K/9 · G/F · WP

Career regular season

QS
0
CG
0
SHO
0
K/9
8.4
GB
82
FB
197
G/F
0.40
WP
2

Bio

Age
31 yearsJul 14, 1995
Height
6' 2"
Weight
214 lbs
Experience
4 yearsDebut 2021
Birthplace
Erie, PA
Draft
2017Rd 19, Pk 565

Latest performance

Isaac Mattson

Sep 05 · vs LAA · L 6-1

IP
2.0
H
4
R
3
ER
3
BB
0
K
2
HR
0
ERA
5.35

Games

All games
Most recent games
DateOpponentIPHRERK
Sat, Sep 05vsLAAL 6-124332
Mon, Aug 17vsDETL 8-522111
Tue, Jul 28vsARIL 8-7 F/121.23113
Sat, Jul 25vsCHCL 11-00.14331
Sun, Jul 19atCLEW 7-110001
Sat, Jul 18atCLEW 7-111002

What are Isaac Mattson's career stats?

Isaac Mattson has played 4 seasons for the Orioles and the Pirates. He has 3 wins and 90 strikeouts with a 3.94 ERA over 96.0 innings. His best season so far is 2025: 3 wins, a 2.45 ERA and 45 strikeouts.

More on Isaac Mattson