P Naimer Rosario #31
Arizona (DSL) Diamondbacks Black (AZ) DSL
Age: 21 | Bats: L | Throws: L | Morale: Normal
05/08/2028
 OA: 20 POT: 40
BNN Index | DSL | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P NAIMER ROSARIO #31 - AGE: 21 - BATS: L - THROWS: L - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
12 12 5-4 0 3.07 58.2 48 5 25 83 1.24 1.7
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 45 45 40 45
Movement 45 45 40 50
Control 45 45 45 45
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 50 50
Slider 50 55
Changeup 35 45
 
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 50
Suggested Role Starter
Type Neutral
Hold Runners 55
Defense 55
RUN/BUNT RATINGS
Running Speed: 25
Stealing Ability: 25
Baserunning Inst.: 40
Sacrifice Bunt: 50
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
08/09/2027 @ PirG Win, 8-1 X 5.0 3 1 1 4 6 Win
08/04/2027 PhiW Win, 4-2 X 5.1 3 0 0 3 6 Win
07/30/2027 AstB Loss, 9-11 X 3.2 4 2 2 3 8
07/24/2027 Bre2 Win, 12-11 X 4.0 6 5 5 2 6
07/19/2027 @ PhiR Loss, 1-2 X 5.0 2 1 1 4 5 Loss
07/13/2027 AS2 Win, 9-8 0.2 0 0 0 0 2
07/08/2027 Mar1 Win, 13-6 X 5.1 5 3 3 1 10 Win
07/03/2027 @ Ray1 Win, 12-9 X 4.1 3 1 1 2 6
06/27/2027 OriO Win, 8-0 X 6.2 3 0 0 2 5 Win
06/22/2027 Met1 Loss, 2-9 X 4.1 6 2 2 1 10 Loss
PERSONALITY
Just wants to make his mom proud.
Birthday:07/18/2006
Born in:Los Llanos, SAN
Nationality:Dominican
Height:6' 0"
Weight:165 lbs
Local Popularity:Fair
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:4 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
DOMINICAN ROOKIE LEAGUE 2027 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 12 12 5 4 0 3.07 58.2 48 20 20 5 25 83 1 8.3 0 2 16.7
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 12.12 7.36 12.73 3.84 4.00 1.24 73 1.7 .336        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 71 14 1 2 2 8 6 28 2 0 2 .197 .272 .352 .624      
vs. RHB 142 34 7 1 3 12 19 55 1 1 4 .239 .343 .366 .710      
DOMINICAN ROOKIE LEAGUE 2027 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
June 5 5 2 3 0 2.42 26.0 22 7 7 2 6 36  
July 5 5 1 1 0 4.84 22.1 20 12 12 3 12 35  
August 2 2 2 0 0 0.87 10.1 6 1 1 0 7 12  
All-Star Game 1 0 0 0 0 0.00 0.2 0 0 0 0 0 2  
Last Year 12 12 5 4 0 3.07 58.2 48 20 20 5 25 83  
2 Years Ago 11 11 3 0 0 3.27 44.0 36 17 16 5 13 76  
Career 36 36 8 9 0 4.60 146.2 147 76 75 17 69 233  
Home 7 7 3 2 0 4.05 33.1 33 15 15 5 13 50  
Road 5 5 2 2 0 1.78 25.1 15 5 5 0 12 33  
Grass 12 12 5 4 0 3.07 58.2 48 20 20 5 25 83  
Day 6 6 3 1 0 3.10 29.0 26 10 10 1 13 42  
Night 6 6 2 3 0 3.03 29.2 22 10 10 4 12 41  
As Starter 12 12 5 4 0 3.07 58.2 48 20 20 5 25 83  
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+
2024 Total - 17 12 5 3 3 2 4.04 35.2 23 17 16 0 22 39 0 0 1.26 .267 3.54 0.6 100
2024 Total - 17 9 2 3 2 2 4.18 23.2 13 12 11 0 17 25 0 0 1.27 .220 3.88 0.2 100
2024 Total - 17 3 3 0 1 0 3.75 12.0 10 5 5 0 5 14 0 0 1.25 .370 2.87 0.3 100
2024 Total - 17 24 10 6 6 4 4.04 71.1 46 34 32 0 44 78 0 0 1.26 .267 3.54 1.2 100
2025 Arizona (DSL) - R 18 13 13 0 5 0 7.98 44.0 63 39 39 7 31 74 0 0 2.14 .523 4.97 0.6 62
2026 Arizona (DSL) - R 19 11 11 3 0 0 3.27 44.0 36 17 16 5 13 76 0 0 1.11 .383 3.34 1.5 161
2027 Arizona (DSL) - R 20 12 12 5 4 0 3.07 58.2 48 20 20 5 25 83 1 0 1.24 .336 4.00 1.7 179
Total DSL 36 36 8 9 0 4.60 146.2 147 76 75 17 69 233 1 0 1.47 .411 4.10 112.1
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2024 - - P 12 5 3 6 0 9 0 1.000 35.2 2.27 +0.8 .000
2025 Arizona (DSL) - R P 13 13 3 5 4 9 1 .889 44.0 1.64 -0.4 1.507
2026 Arizona (DSL) - R P 11 11 1 3 0 6 2 .667 44.0 0.82 -0.2 .913
2027 Arizona (DSL) - R P 12 12 0 1 0 1 0 1.000 58.2 0.15 -0.3 .905
TOTAL P 48 41 7 15 4 25 3 .880 182.1 1.09 -0.0 1.268
PLAYER HISTORY
09/05/2023 Signed as a Free Agent with the Arizona Diamondbacks.
08/05/2024 LHP Naimer Rosario assigned to DSL Arizona Black from DSL Arizona Red. [Auto]
01/01/2025 OSA scouting updated ratings (potential): Stuff: 30 (45); Movement: 35 (50); Control: 35 (50).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 30 (45); Movement: 35 (50); Control: 35 (50).
06/20/2025 Injured (wrist soreness),day-to-day for 4 days.
01/01/2026 OSA scouting updated ratings (potential): Stuff: 35 (45); Movement: 35 (50); Control: 35 (50).
01/01/2026 OSA scouting updated ratings (potential): Stuff: 35 (45); Movement: 35 (50); Control: 35 (50).
06/24/2026 Injured (back tightness),day-to-day for one week.
07/23/2026 Injured (mild shoulder inflammation),day-to-day for one week.
01/01/2027 OSA scouting updated ratings (potential): Stuff: 40 (45); Movement: 40 (50); Control: 40 (50).
01/01/2027 OSA scouting updated ratings (potential): Stuff: 40 (45); Movement: 40 (50); Control: 40 (50).
07/11/2027 Was selected to the 2027 Dominican Rookie League All-Star Game.
01/01/2028 OSA scouting updated ratings (potential): Stuff: 45 (45); Movement: 45 (50); Control: 45 (45).
01/01/2028 OSA scouting updated ratings (potential): Stuff: 45 (45); Movement: 45 (50); Control: 45 (45).
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