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Team bullpen data and usage tracking

Isaac Mattson
Isaac Mattson
Throws: R
Primary Role(s): Reliever
Age: 29

Pittsburgh
Team Record: 29 - 45
Head Coach: Don Kelly
Pitching Coach: Oscar Marin
Pitcher Snapshot
Pitcher Impact Rating:
80
IP (last 7 gm):
5.2
ERA (last 7 gm):
0.00
Team BP Power Rank:
#16

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 7 0.93 9.20 32 3.75 28.1% 6.3% 3.1% 0% 0.25 0.033 0.094 0.218 0.227
2025 SpringTr 3 4.50 4.00 15 3.93 26.7% 13.3% 6.7% 1% 0.4 0.154 0.267 - 0.652
2025: Home 5 1.50 6.00 20 5.00 50.0% 0.0% 25.0% 0% 0.25 0.053 0.100 - 0.311
2025: Away 2 0.00 3.20 12 3.33 16.7% 16.7% 0.0% 0% 0.25 0.000 0.083 - 0.083
2025: Vs L 7 - 3.00 11 4.50 50.0% 0.0% 50.0% % 0.25 0.100 0.182 - 0.582
2025: Vs R 7 - 6.20 21 5.50 50.0% 0.0% 0.0% % 0.25 0.000 0.048 - 0.048
2025 Pitch Arsenal
Game Logs
Game Date Opponent IP PA R H 2B 3B HR BB SO SB CS NP-S AVG
2025-06-15 @ Cubs 2.00
7
 6 0 0 0 0 0 0 0 0 0 19-14 0.03
2025-06-12 @ Cubs 1.20
7
 6 0 0 0 0 0 1 1 0 0 20-14 0.04
2025-06-10 vs Marlins 2.00
8
 6 0 0 0 0 0 0 3 0 0 21-16 0.05
2025-06-07 vs Phillies 1.00
7
 3 0 0 0 0 0 0 1 0 0 13-9 0.08
2025-05-25 vs Brewers 1.10
6
 5 0 0 0 0 0 1 1 0 0 21-12 0.10
2025-05-23 vs Brewers 0.20
9
 2 0 0 0 0 0 0 1 0 0 6-5 0.17
2025-05-22 vs Brewers 1.00
6
 4 1 1 0 0 1 0 2 0 0 20-12 0.25
Advanced Stats
Advanced Stats will be released after the All-Star break

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Jun-17 Jun-16 Jun-15 Jun-14 Jun-13 Jun-12 Jun-11
Isaac Mattson 3.2 39-28 0.00
2.0
7
19-14
1.2
7
20-14
Ryan Borucki 1.0 19-12 4.50
0.2
6
12-8
0.1
8
7-4
Dennis Santana 4.0 49-35 0.00
1.0
9
16-9
1.2
8
15-12
1.1
6
18-14
Caleb Ferguson 1.1 19-12 6.77
0.1
8
12-6
1.0
8
7-6
Bailey Falter 0 0-0 1.50
Chase Shugart 1.0 10-5 0.00
1.0
10-5
Carmen Mlodzinski 4.0 71-48 9.00
2.0
46-29
2.0
6
25-19
David Bednar 2.1 34-26 0.00
0.1
10
8-7
1.0
10
13-11
1.0
9
13-8
Johan Oviedo 0 0-0 3.60
Braxton Ashcraft 2.1 36-21 3.86
2.0
7
18-14
0.1
6
18-7
Mike Burrows 0 0-0 7.20
Paul Skenes 0 0-0 6.75
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:
7
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:
1.29
Pitches over 30 pitches:
No
Pitches before the 8th:
Yes
Pitches back to back days:
Rarely
Other Pittsburgh Pitchers

Trevor Cahill (R)
Ryan Borucki (L)
Dennis Santana (R)
Caleb Ferguson (L)
Chase Shugart (R)
Cody Ponce (R)
Tanner Anderson (R)
Carmen Mlodzinski (R)
David Bednar (R)
Isaac Mattson (R)
Braxton Ashcraft (R)

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