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Pitcher Data and Usage Tracking

Isaac Mattson
Isaac Mattson
Throws: R
Primary Role(s): Reliever
Age: 30

Pittsburgh
Team Record: 60 - 76
Head Coach: Don Kelly
Pitching Coach: Oscar Marin
Pitcher Snapshot
Pitcher Impact Rating:
76.6
IP (last 7 gm):
4
ERA (last 7 gm):
0.00
Team BP Power Rank:
#12

Pitcher Season Stats

Cumulative Stats
Season G ERA IP PA P/pa SO/pa BB/pa HR/pa SB/pa G/AO AVG OBP xWOBA OPS
2025 34 1.95 37.0 150 4.01 27.3% 8.7% 2.0% - 0.3 0.183 0.262 0.269 0.544
2025 SpringTr 3 4.50 4.0 15 3.93 26.7% 13.3% 6.7% - 0.4 0.154 0.267 - 0.652
2025: Home 18 2.00 18.0 74 4.11 29.7% 10.8% 1.4% - 0.29 0.175 0.284 - 0.538
2025: Away 16 1.89 19.0 76 3.92 25.0% 6.6% 2.6% - 0.3 0.191 0.240 - 0.549
2025: Vs L 32 - 15.0 66 4.35 24.2% 12.1% 3.0% - 0.47 0.232 0.338 - 0.749
2025: Vs R 34 - 22.0 84 3.83 29.8% 6.0% 1.2% - 0.2 0.147 0.202 - 0.389
2025 Pitch Arsenal
Game Logs
Game Date Opponent IP PA R H 2B 3B HR BB SO SB CS NP-S AVG
2025-08-29 (PIT) @ Red Sox 1.0
 4 0 1 0 0 0 0 1 0 0 12-10 0.18
2025-08-27 (PIT) @ Cardinals 1.0
8
 3 0 0 0 0 0 0 1 0 0 8-7 0.18
2025-08-26 (PIT) @ Cardinals 1.0
9
 3 0 0 0 0 0 0 1 0 0 20-13 0.19
2025-08-24 (PIT) vs Rockies 1.0
8
 3 0 0 0 0 0 0 1 0 0 9-6 0.19
2025-08-20 (PIT) vs Blue Jays 1.0
8
 4 0 0 0 0 0 0 1 0 0 14-10 0.20
2025-08-17 (PIT) @ Cubs 1.0
8
 6 1 2 1 0 0 1 0 0 0 19-12 0.20
2025-08-15 (PIT) @ Cubs 1.2
7
 8 0 2 0 0 0 1 1 0 0 34-22 0.19
Advanced Stats
Advanced Stats will be released after the All-Star break

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Aug-30 Aug-29 Aug-28 Aug-27 Aug-26 Aug-25 Aug-24
Isaac Mattson 4.0 49-36 0.00
1.0
12-10
1.0
8
8-7
1.0
9
20-13
1.0
8
9-6
Dennis Santana 3.2 49-29 2.46
1.0
13-8
1.0
9
13-8
0.2
9
5-4
1.0
9
18-9
Dauri Moreta 1.2 23-17 0.00
1.0
9-8
0.2
7
14-9
Carmen Mlodzinski 3.0 46-27 1.80
3.0
1
46-27
Colin Holderman 2.1 33-21 0.00
1.0
8
14-9
1.1
5
19-12
Johan Oviedo 4.0 53-35 2.25
4.0
1
53-35
Yohan Ramírez 2.2 52-35 9.84
0.2
6
16-7
2.0
7
36-28
Braxton Ashcraft 5.2 73-52 1.59
5.2
1
73-52
Mike Burrows 0 0-0 7.20
Evan Sisk 0 0-0 8.11
Kyle Nicolas 2.0 24-16 0.00
2.0
7
24-16
Paul Skenes 0 0-0 6.75
Bubba Chandler 4.0 53-33 0.00
4.0
4
53-33
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
Advanced Pitcher Traits
Games Pitched this Season:
34
Games Started this Season:
0
Pitchers versus LH batters:
Yes
Pitchers versus RH batters:
Yes
Avg Inning when called:
7
Avg Run Diff when called:
2.06
Pitches over 30 pitches:
Yes
Pitches before the 8th:
Yes
Pitches back to back days:
Rarely
Other Pittsburgh Pitchers

Trevor Cahill (R)
Dennis Santana (R)
Cody Ponce (R)
Tanner Anderson (R)
Dauri Moreta (R)
Carmen Mlodzinski (R)
Colin Holderman (R)
Johan Oviedo (R)
Yohan Ramírez (R)
Isaac Mattson (R)
Braxton Ashcraft (R)
Evan Sisk (L)
Kyle Nicolas (R)
Bubba Chandler (R)

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