P Mike Koster #10
Calvary Christian High School Warriors AHS
Age: 15 | Bats: L | Throws: L | Morale: Good
05/25/2026
 OA: 30 POT: 40
BNN Index | AHS | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P MIKE KOSTER #10 - AGE: 15 - BATS: L - THROWS: L - MORALE: GOOD
G GS Rec SV ERA IP HA HR BB K WHIP WAR
18 0 0-2 1 5.72 28.1 26 5 17 37 1.52 0.3
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 40 40 40 75
Movement 30 25 30 40
Control 20 20 20 30
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 45 80
Changeup 35 65
 
 
 
OTHER PITCHING RATINGS
Velocity 93-95 Mph
Stamina 45
Suggested Role BP/Emergency SP
Type Neutral
Hold Runners 55
Defense 55
RUN/BUNT RATINGS
Running Speed: 30
Stealing Ability: 20
Baserunning Inst.: 20
Sacrifice Bunt: 35
Bunt for Hit: 30
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
05/05/2026 @ BHS Win, 11-9 1.1 4 6 6 2 0
05/04/2026 @ BHS Loss, 9-11 1.0 0 0 0 2 1
05/02/2026 RHS Loss, 1-6 1.2 0 0 0 0 3
05/01/2026 RHS Loss, 5-6 2.0 3 4 1 1 1 Loss
04/27/2026 @ OLHS Loss, 7-10 0.2 1 0 0 0 0
04/26/2026 @ OLHS Loss, 1-5 2.1 3 2 2 1 4
04/22/2026 @ TCHS Loss, 1-9 0.1 0 0 0 0 1
04/20/2026 @ TCHS Win, 4-1 1.0 0 0 0 0 1
04/19/2026 GMHS Loss, 0-2 2.0 0 0 0 0 5
04/10/2026 @ BHS Win, 11-3 3.0 1 0 0 2 2 Save
PERSONALITY
Coaches like the effort Koster puts into the on and off-field training. He has the aptitiude to become a better player.
Personality Class: Unknown
Birthday:04/28/2011
Born in:Lady Lake, FL
Nationality:American
Height:6' 2"
Weight:175 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:Minor League Contract
Salary:-
Signed Through:-
Major Service:None, None
Service This Yr:None
40-Man Service:None, None
Pro Service:None
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
ABA HIGH SCHOOL 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 18 0 0 2 1 5.72 28.1 26 21 18 5 17 37 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 3 1 50.0 18 7 14.29 8.26 11.75 5.40 4.44 1.52 85 0.3 .318        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 32 10 2 0 4 14 5 6 0 0 1 .312 .421 .750 1.171      
vs. RHB 75 16 2 0 1 7 12 31 1 0 1 .213 .326 .280 .606      
ABA HIGH SCHOOL 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
March 5 0 0 0 0 2.31 11.2 12 3 3 2 3 17  
April 9 0 0 1 1 6.75 10.2 7 8 8 2 9 15  
May 4 0 0 1 0 10.50 6.0 7 10 7 1 5 5  
Career 18 0 0 2 1 5.72 28.1 26 21 18 5 17 37  
Home 5 0 0 2 0 5.87 7.2 7 8 5 1 5 13  
Road 13 0 0 0 1 5.66 20.2 19 13 13 4 12 24  
Grass 16 0 0 2 1 6.00 24.0 21 19 16 4 15 32  
Turf 2 0 0 0 0 4.15 4.1 5 2 2 1 2 5  
Day 10 0 0 1 0 3.38 13.1 10 8 5 1 6 18  
Night 8 0 0 1 1 7.80 15.0 16 13 13 4 11 19  
As Reliever / Substitution 18 0 0 2 1 5.72 28.1 26 21 18 5 17 37  
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+
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+
2026 Calvary Christian High School - HS 15 18 0 0 2 1 5.72 28.1 26 21 18 5 17 37 0 0 1.52 .318 4.44 0.3 91
Total AHS 18 0 0 2 1 5.72 28.1 26 21 18 5 17 37 0 0 1.52 .318 4.44 90.7
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2026 Calvary Christian High School - HS P 17 0 0 2 0 2 0 1.000 28.1 0.64 +0.5 1.000
TOTAL P 17 0 0 2 0 2 0 1.000 28.1 0.64 +0.5 1.000
PLAYER HISTORY
01/16/2026 Joined the Calvary Christian High School Warriors.
Friday, May 1st , 2026 - OOTP Baseball 26.8 Build 82