P Isaac Mattson #20
Walla Walla Wolfpack (Hou) Pio
Age: 30 | Bats: R | Throws: R | Morale: Very Unhappy
10/08/2025
BNN Index | Pio | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P ISAAC MATTSON #20 - AGE: 30 - BATS: R - THROWS: R - MORALE: VERY UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
4 0 0-1 0 59.40 1.2 7 2 9 1 9.60 -0.5
PITCHING RATINGS (OSA)
Overall Overall Vs Left Vs Right
Stuff 45 45 45
Movement 40 40 40
Control 25 25 25
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 50 -
Slider 45 -
Curveball 45 -
Changeup 45 -
 
OTHER PITCHING RATINGS
Velocity 93-95 Mph
Stamina 35
Suggested Role Bullpen
Type Flyball Pitcher
Hold Runners 35
Defense 65
RUN/BUNT RATINGS
Running Speed: 30
Stealing Ability: 25
Baserunning Inst.: 30
Sacrifice Bunt: 50
Bunt for Hit: 30
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/07/2025 @ FMJ Loss, 6-7 1.2 2 1 1 1 0 Loss
08/31/2025 SB Loss, 4-12 0.2 2 5 5 6 0
08/26/2025 MER Win, 4-3 1.0 0 0 0 1 1 Save
08/25/2025 MER Win, 8-7 1.0 3 3 3 1 1 Win
08/21/2025 @ LAN Win, 4-1 0.2 0 0 0 0 1
08/15/2025 PVO Win, 6-4 1.2 2 0 0 1 4
08/14/2025 PVO Loss, 1-2 1.0 0 0 0 0 2
08/12/2025 @ MV Loss, 5-10 0.2 2 3 3 1 1
08/08/2025 FMJ Loss, 6-17 3.0 5 4 3 2 0
08/06/2025 @ SM Loss, 6-7 1.1 1 1 1 2 1 Loss
Birthday:07/14/1995
Born in:Unknown
Nationality:American
Height:6' 3"
Weight:210 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:Minor League Contract
Salary:-
Signed Through:-
Major Service:
Service This Yr:
40-Man Service:
Pro Service:
Arbitration Eligibility:
Option Years:
Contract Extension:
Drafted:-
CALIFORNIA LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 20 0 4 4 4 8.89 27.1 32 28 27 4 28 22 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 6 2 66.7 20 12 19.76 10.54 7.24 9.22 7.10 2.20 118 -0.3 .346        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 55 17 1 0 4 13 13 11 1 0 0 .309 .435 .545 .980      
vs. RHB 50 15 4 0 0 15 15 11 1 0 0 .300 .455 .380 .835      
CALIFORNIA LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 5 0 1 0 2 1.29 7.0 3 1 1 0 5 4  
May 4 0 2 1 1 5.40 6.2 8 4 4 1 5 5  
July 1 0 0 1 0 54.00 1.0 4 6 6 1 3 2  
August 9 0 1 1 1 12.27 11.0 15 16 15 2 14 11  
September 1 0 0 1 0 5.40 1.2 2 1 1 0 1 0  
Last Year 3 0 0 1 0 8.10 6.2 7 6 6 1 9 5  
Career 76 19 10 17 9 7.97 157.0 199 144 139 21 116 123  
Home 11 0 2 1 2 9.92 16.1 21 19 18 3 19 15  
Road 9 0 2 3 2 7.36 11.0 11 9 9 1 9 7  
Grass 20 0 4 4 4 8.89 27.1 32 28 27 4 28 22  
Day 5 0 1 0 1 12.71 5.2 5 8 8 0 9 3  
Night 15 0 3 4 3 7.89 21.2 27 20 19 4 19 19  
As Reliever / Substitution 20 0 4 4 4 8.89 27.1 32 28 27 4 28 22  
PIONEER LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 4 0 0 1 0 59.40 1.2 7 16 11 2 9 1 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 1 1 0.0 4 1 91.80 37.80 5.40 48.60 37.14 9.60 475 -0.5 .500        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 7 4 2 0 0 5 5 0 0 0 1 .571 .769 .857 1.626      
vs. RHB 6 3 0 0 2 11 4 1 0 0 0 .500 .700 1.500 2.200      
PIONEER LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
June 1 0 0 0 0 162.00 0.1 3 6 6 0 3 0  
July 3 0 0 1 0 33.75 1.1 4 10 5 2 6 1  
Career 4 0 0 1 0 59.40 1.2 7 16 11 2 9 1  
Home 1 0 0 0 0 67.50 0.2 3 5 5 1 3 1  
Road 3 0 0 1 0 54.00 1.0 4 11 6 1 6 0  
Grass 4 0 0 1 0 59.40 1.2 7 16 11 2 9 1  
Night 4 0 0 1 0 59.40 1.2 7 16 11 2 9 1  
As Reliever / Substitution 4 0 0 1 0 59.40 1.2 7 16 11 2 9 1  
CAREER PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
2022 Houston - CBA 26 78 1 10 3 3 3.34 97.0 73 38 36 7 39 81 0 0 1.15 .245 3.57 0.8 115
Total CBA 78 1 10 3 3 3.34 97.0 73 38 36 7 39 81 0 0 1.15 .245 3.57 0.8 115
CAREER MINOR LEAGUE PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
2018 Riverside - A 22 25 0 3 3 5 7.30 24.2 34 20 20 1 14 21 0 0 1.95 .423 4.16 0.6 78
2019 Nassau - A 23 8 2 0 1 1 7.41 17.0 20 16 14 4 12 20 0 0 1.88 .356 6.55 -0.1 72
2019 Riverside - A 23 28 19 3 9 0 7.87 98.1 126 90 86 15 65 75 0 0 1.94 .354 6.25 0.5 71
2019 Total - A 23 36 21 3 10 1 7.80 115.1 146 106 100 19 77 95 0 0 1.93 .354 6.30 0.5 71
2020 Plano-Frisco - AA 24 55 0 5 1 14 3.14 63.0 58 25 22 1 33 47 0 0 1.44 .308 4.56 1.7 221
2021 Nassau - A 25 40 3 2 2 7 1.52 59.1 47 15 10 1 28 65 0 0 1.26 .301 2.28 1.8 266
2021 Plano-Frisco - AA 25 2 0 0 0 0 4.91 3.2 4 2 2 1 1 5 0 0 1.36 .333 4.90 0.0 103
2024 Nassau - A 28 40 0 1 2 2 6.25 63.1 72 44 44 8 61 75 0 0 2.10 .383 5.81 -0.2 84
2024 Riverside - A 28 3 0 0 1 0 8.10 6.2 7 6 6 1 9 5 0 0 2.40 .273 6.82 -0.2 55
2024 Total - A 28 43 0 1 3 2 6.43 70.0 79 50 50 9 70 80 0 0 2.13 .370 5.91 -0.3 80
2025 Walla Walla - R 29 4 0 0 1 0 59.40 1.2 7 16 11 2 9 1 0 0 9.60 .500 37.14 -0.5 13
2025 Riverside - A 29 20 0 4 4 4 8.89 27.1 32 28 27 4 28 22 0 0 2.20 .346 7.10 -0.3 67
Total TL 57 0 5 1 14 3.24 66.2 62 27 24 2 34 52 0 0 1.44 .309 4.58 207.8
Total CAL 76 19 10 17 9 7.97 157.0 199 144 139 21 116 123 0 0 2.01 .360 6.10 70.4
Total SAL 88 5 3 5 10 4.38 139.2 139 75 68 13 101 160 0 0 1.72 .345 4.40 114.7
Total Pio 4 0 0 1 0 59.40 1.2 7 16 11 2 9 1 0 0 9.60 .500 37.14 13.1
CAREER POSTSEASON PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
2019 Nassau - SAL 23 2 0 0 0 0 27.00 1.0 2 3 3 0 4 1 0 0 6.00 .667 10.55 -0.0 20
2020 Plano-Frisco - TL 24 2 0 0 0 1 0.00 5.0 4 0 0 0 1 6 0 0 1.00 .364 2.38 0.3 999
2021 Plano-Frisco - TL 25 3 0 0 0 1 4.76 5.2 5 3 3 1 2 6 0 0 1.24 .286 4.50 0.1 106
2022 Houston - CBA 26 1 0 0 0 0 0.00 1.1 0 0 0 0 0 1 0 0 0.00 .000 1.56 0.0 999
2024 Nassau - SAL 28 3 0 1 0 0 3.00 6.0 4 2 2 1 5 7 0 0 1.50 .231 5.46 0.0 174
Total CBA 1 0 0 0 0 0.00 1.1 0 0 0 0 0 1 0 0 0.00 .000 1.56 999.0
Total TL 5 0 0 0 2 2.53 10.2 9 3 3 1 3 12 0 0 1.12 .320 3.51 199.8
Total SAL 5 0 1 0 0 6.43 7.0 6 5 5 1 9 8 0 0 2.14 .312 6.19 82.3
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2018 Riverside - A P 25 0 4 6 1 10 0 1.000 24.2 3.65 +0.5 1.089
2019 Riverside - A P 28 19 2 14 1 17 1 .941 98.1 1.46 +0.8 .887
2019 Nassau - A P 8 2 0 0 0 0 0 .000 17.0 0.00 -0.6 .000
2020 Plano-Frisco - AA P 55 0 4 8 0 12 0 1.000 63.0 1.71 -0.3 1.312
2021 Plano-Frisco - AA P 2 0 0 0 0 0 0 .000 3.2 0.00 -0.2 .000
2021 Nassau - A P 39 3 1 2 0 3 0 1.000 59.1 0.46 +0.9 .983
2022 Houston - MLB P 78 1 3 8 0 12 1 .917 97.0 1.02 +0.6 .919
2024 Riverside - A P 3 0 0 0 0 0 0 .000 6.2 0.00 -0.9 .000
2024 Nassau - A P 39 0 6 3 0 9 0 1.000 63.1 1.28 +0.2 1.491
2025 Riverside - A P 20 0 0 1 0 1 0 1.000 27.1 0.33 -0.2 .000
2025 Walla Walla - R P 4 0 0 0 0 1 1 .000 1.2 0.00 -0.8 .000
TOTAL P 301 25 20 42 2 65 3 .954 462.0 1.21 -0.0 1.016
PLAYER HISTORY
09/22/2024 Wins the 2024 South Atlantic League Round 2 with the Nassau Thunderballs!
01/01/2025 OSA scouting updated ratings: Stuff: 55; Movement: 45; Control: 30.
01/01/2025 OSA scouting updated ratings: Stuff: 55; Movement: 45; Control: 30.
LEADERBOARD APPEARANCES
Year G Rank
2022 78 5
Year RA Rank
2022 77 6
Tuesday, October 7th , 2025 - OOTP Baseball 26.7 Build 77