P Rafael Sierra #14
Maris School HSSL
Age: 16 | Bats: L | Throws: R | Morale: Unhappy    
12/31/2025
BNN Index | HSSL | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P RAFAEL SIERRA #14 - AGE: 16 - BATS: L - THROWS: R - MORALE: UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
6 0 0-0 0 10.45 10.1 16 2 9 11 2.42 -0.1
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 5
Movement 7
Control 7
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 7
Slider - 6
Changeup - 6
 
 
OTHER PITCHING RATINGS
Velocity 83-85 Mph
Stamina 7
Suggested Role Starter
Groundball Percentage 48 %
Hold Runners 5
Defense 4
RUN/BUNT RATINGS
Running Speed: 3
Stealing Ability: 1
Baserunning Inst.: 1
Sacrifice Bunt: 13
Bunt for Hit: 3
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
05/03/2025 @ BUHS Loss, 4-16 2.1 3 1 1 1 2
04/25/2025 @ MSHS Loss, 2-13 2.0 0 0 0 4 2
04/15/2025 @ BWHS Loss, 10-11 2.1 4 3 3 0 3
04/08/2025 EVHS Loss, 7-20 1.1 4 3 3 1 1
04/04/2025 MPHS Loss, 7-16 2.0 5 5 5 3 3
04/02/2025 JJHS Loss, 2-21 0.1 0 0 0 0 0
PERSONALITY
Leader Ability:Normal
Loyalty:Low
Desire f. Win:Very Low
Greed:Normal
Intelligence:Normal
Work Ethic:Normal
Birthday:03/30/2009
Born in:Severna Park, MD
Nationality:American
Height:6' 2"
Weight:170 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:-
HIGH SCHOOL STARS LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 6 0 0 0 0 10.45 10.1 16 12 12 2 9 11 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 6 1 21.77 13.94 9.58 7.84 7.49 2.42 117 -0.1 .438        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 12 5 1 0 1 6 4 3 0 1 0 .417 .563 .750 1.313      
vs. RHB 31 11 3 1 1 6 5 8 2 0 0 .355 .421 .613 1.034      
HIGH SCHOOL STARS LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 5 0 0 0 0 12.38 8.0 13 11 11 2 8 9  
May 1 0 0 0 0 3.86 2.1 3 1 1 0 1 2  
Career 6 0 0 0 0 10.45 10.1 16 12 12 2 9 11  
Home 3 0 0 0 0 19.64 3.2 9 8 8 1 4 4  
Road 3 0 0 0 0 5.40 6.2 7 4 4 1 5 7  
Grass 6 0 0 0 0 10.45 10.1 16 12 12 2 9 11  
Day 1 0 0 0 0 0.00 2.0 0 0 0 0 4 2  
Night 5 0 0 0 0 12.96 8.1 16 12 12 2 5 9  
As Reliever / Substitution 6 0 0 0 0 10.45 10.1 16 12 12 2 9 11  
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 Maris School - HS 16 6 0 0 0 0 10.45 10.1 16 12 12 2 9 11 0 0 2.42 .438 7.49 -0.1 62
Total HSSL 6 0 0 0 0 10.45 10.1 16 12 12 2 9 11 0 0 2.42 .438 7.49 61.9
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Maris School - HS P 6 0 0 1 0 1 0 1.000 10.1 0.87 +0.1 1.054
TOTAL P 6 0 0 1 0 1 0 1.000 10.1 0.87 +0.1 1.054
PLAYER HISTORY
07/01/2024 Joined the Maris School.
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (4); Movement: - (7); Control: - (7).
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