P Stephen Kolek #19
Seattle Mariners MLB
Age: 28 | Bats: R | Throws: R | Morale: Great
10/31/2025
 OA: 47 POT: 47
BNN Index | MLB | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P STEPHEN KOLEK #19 - AGE: 28 - BATS: R - THROWS: R - MORALE: GREAT
G GS Rec SV ERA IP HA HR BB K WHIP WAR
32 32 12-13 0 4.20 178.0 172 19 64 134 1.33 2.0
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 45 40 45 45
Movement 55 55 60 55
Control 55 55 55 55
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 50 50
Slider 45 45
Changeup 30 30
Sinker 45 45
Cutter 40 40
OTHER PITCHING RATINGS
Velocity 96-98 Mph
Stamina 45
Suggested Role Starter
Type Groundball Pitcher
Hold Runners 45
Defense 60
RUN/BUNT RATINGS
Running Speed: 25
Stealing Ability: 25
Baserunning Inst.: 30
Sacrifice Bunt: 40
Bunt for Hit: 30
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/25/2025 COL Win, 4-3 X 5.0 7 3 3 1 4
09/19/2025 @ LAA Win, 5-3 X 7.2 5 1 1 0 4 Win
09/13/2025 OAK Loss, 1-2 X 7.2 4 2 2 1 5 Loss
09/08/2025 STL Win, 3-1 X 6.2 3 1 1 1 9 Win
09/02/2025 @ TB Loss, 3-6 X 4.2 5 4 4 3 4 Loss
08/27/2025 SD Win, 7-2 X 7.1 4 1 1 3 5 Win
08/22/2025 HOU Win, 4-3 X 5.2 6 3 2 3 2
08/16/2025 @ NYM Win, 5-4 X 7.0 10 4 4 1 4 Win
08/10/2025 TB Loss, 1-5 X 5.1 8 3 3 3 3 Loss
08/05/2025 CWS Win, 10-4 X 5.0 2 2 2 5 3 Win
PERSONALITY
Birthday:04/18/1997
Born in:Houston, TX
Nationality:American
Height:6' 3"
Weight:210 lbs
Local Popularity:Insignificant
National Pop.:Unknown
STATUS
Contract:Major League Contract
Salary:$4,000,000
Signed Through:2025 Season
Major Service:2 Years, None
Service This Yr:195 Days
40-Man Service:2 Years, None
Pro Service:6 Years
Arbitration Eligibility:Not yet, but possibly eligible after this season
Option Years:3 option years left
Contract Extension: -
Drafted:-
MAJOR LEAGUE BASEBALL 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 32 32 12 13 0 4.20 178.0 172 88 83 19 64 134 0 0.0 0 13 40.6
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 0 0 12.49 8.70 6.78 3.24 4.38 1.33 104 2.0 .283        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 296 85 16 0 7 45 26 49 3 1 4 .287 .350 .412 .762      
vs. RHB 393 87 16 3 12 43 38 85 1 3 7 .221 .301 .369 .670      
MAJOR LEAGUE BASEBALL 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
March 1 1 1 0 0 2.84 6.1 7 2 2 0 1 8  
April 5 5 2 1 0 5.74 26.2 29 19 17 5 12 11  
May 5 5 0 5 0 6.15 26.1 25 19 18 2 14 24  
June 5 5 2 1 0 2.70 30.0 28 10 9 1 9 21  
July 6 6 2 3 0 4.72 26.2 29 14 14 4 7 27  
August 5 5 3 1 0 3.56 30.1 30 13 12 3 15 17  
September 5 5 2 2 0 3.13 31.2 24 11 11 4 6 26  
Spring Training 5 5 3 2 0 3.68 14.2 13 6 6 2 6 11  
Career 32 32 12 13 0 4.20 178.0 172 88 83 19 64 134  
Home 17 17 6 7 0 4.31 96.0 93 50 46 11 34 72  
Road 15 15 6 6 0 4.06 82.0 79 38 37 8 30 62  
Grass 31 31 12 12 0 4.10 173.1 167 84 79 18 61 130  
Turf 1 1 0 1 0 7.71 4.2 5 4 4 1 3 4  
Day 13 13 5 4 0 4.39 69.2 78 35 34 7 22 56  
Night 19 19 7 9 0 4.07 108.1 94 53 49 12 42 78  
As Starter 32 32 12 13 0 4.20 178.0 172 88 83 19 64 134  
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+
2025 Seattle - MLB 28 32 32 12 13 0 4.20 178.0 172 88 83 19 64 134 0 0 1.33 .283 4.38 2.0 99
Total MLB 32 32 12 13 0 4.20 178.0 172 88 83 19 64 134 0 0 1.33 .283 4.38 2.0 99
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+
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Seattle - MLB P 32 32 5 16 0 23 2 .913 178.0 1.06 -0.8 1.032
TOTAL P 32 32 5 16 0 23 2 .913 178.0 1.06 -0.8 1.032
PLAYER HISTORY
01/01/2025 OSA scouting updated ratings (potential): Stuff: 45 (45); Movement: 55 (55); Control: 55 (55).
01/23/2025 Signed a 1-year contract worth a total of $4,000,000 with the Seattle Mariners organization.
02/26/2025 Injured (tired arm),day-to-day for 5 days.
07/12/2025 Injured (elbow inflammation),out for one week.
Saturday, February 21st , 2026 - OOTP Baseball 26.8 Build 82