P Tomás Costello #21
Miami (DSL) Marlins (MIA) DSL
Age: 20 | Bats: R | Throws: R | Morale: Very Unhappy
10/27/2025
BNN Index | DSL | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P TOMÁS COSTELLO #21 - AGE: 20 - BATS: R - THROWS: R - MORALE: VERY UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
12 12 0-6 0 4.36 53.2 51 8 24 71 1.40 0.5
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 40 40 40 60
Movement 20 20 20 40
Control 25 25 25 55
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 45 65
Changeup 25 45
Splitter 40 80
 
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 75
Suggested Role Starter
Type Flyball Pitcher
Hold Runners 45
Defense 55
RUN/BUNT RATINGS
Running Speed: 20
Stealing Ability: 25
Baserunning Inst.: 20
Sacrifice Bunt: 35
Bunt for Hit: 25
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
08/30/2025 @ Rang Win, 6-3 X 5.0 4 1 1 1 7
08/23/2025 @ Red Loss, 3-4 X 3.0 1 2 2 3 5
08/18/2025 @ Yan2 Win, 8-0 X 3.0 2 0 0 4 3
08/11/2025 Tig Loss, 3-4 X 7.0 4 2 2 0 8
08/05/2025 Ang Win, 5-1 X 5.1 4 1 1 1 9
07/28/2025 Met2 Loss, 4-12 X 3.0 8 5 5 4 2 Loss
07/22/2025 Pir1 Loss, 0-5 X 4.1 4 3 2 1 4 Loss
07/15/2025 @ Dodg Loss, 1-5 X 5.0 4 2 2 1 8 Loss
07/11/2025 Dbac Win, 3-2 X 4.0 4 2 1 1 4
07/05/2025 @ Cubs Loss, 1-9 X 5.1 3 1 1 3 8 Loss
PERSONALITY
Costello seems slow to absorb instruction from his coaches.
Personality Class: Unknown
Birthday:03/26/2005
Born in:Santiago, SAN
Nationality:Dominican
Height:6' 1"
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:2 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
DOMINICAN ROOKIE LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 12 12 0 6 0 4.36 53.2 51 32 26 8 24 71 0 0.0 0 1 8.3
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 13.58 8.55 11.91 4.02 4.77 1.40 109 0.5 .336        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 65 16 1 1 2 8 7 25 1 1 5 .246 .359 .385 .744      
vs. RHB 141 35 6 2 6 24 17 46 0 0 1 .248 .333 .447 .780      
DOMINICAN ROOKIE LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
June 1 1 0 1 0 9.00 5.0 7 5 5 2 1 8  
July 6 6 0 5 0 5.33 25.1 29 21 15 5 14 31  
August 5 5 0 0 0 2.31 23.1 15 6 6 1 9 32  
Career 12 12 0 6 0 4.36 53.2 51 32 26 8 24 71  
Home 7 7 0 4 0 5.57 32.1 37 26 20 7 12 40  
Road 5 5 0 2 0 2.53 21.1 14 6 6 1 12 31  
Grass 12 12 0 6 0 4.36 53.2 51 32 26 8 24 71  
Day 5 5 0 2 0 2.28 27.2 19 7 7 2 6 40  
Night 7 7 0 4 0 6.58 26.0 32 25 19 6 18 31  
As Starter 12 12 0 6 0 4.36 53.2 51 32 26 8 24 71  
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+
2025 Miami (DSL) - R 20 12 12 0 6 0 4.36 53.2 51 32 26 8 24 71 0 0 1.40 .336 4.77 0.5 98
Total DSL 12 12 0 6 0 4.36 53.2 51 32 26 8 24 71 0 0 1.40 .336 4.77 97.9
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Miami (DSL) - R P 12 12 1 4 0 6 1 .833 53.2 0.84 -0.2 1.609
TOTAL P 12 12 1 4 0 6 1 .833 53.2 0.84 -0.2 1.609
PLAYER HISTORY
07/02/2022 Entered the Major League Baseball as an international amateur free agent from Dominican Republic.
01/01/2023 OSA scouting updated ratings (potential): Stuff: 30 (50); Movement: 30 (40); Control: 25 (50).
04/27/2023 Signed a minor league contract ($65,000 bonus) out of Dominican Republic with the Vancouver Aurora organization.
01/01/2024 OSA scouting updated ratings (potential): Stuff: 30 (55); Movement: 20 (45); Control: 25 (50).
07/22/2024 Injured (sinusitis),day-to-day for 4 days.
01/01/2025 OSA scouting updated ratings (potential): Stuff: 30 (45); Movement: 35 (40); Control: 20 (45).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 30 (45); Movement: 35 (40); Control: 20 (45).
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