P Leoncio Ulibarri #29
Mercer Island Screaming Eagles (BOS) PAA
Age: 21 | Bats: R | Throws: L | Morale: Great    
12/31/2026
BNN Index | PAA | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P LEONCIO ULIBARRI #29 - AGE: 21 - BATS: R - THROWS: L - MORALE: GREAT
G GS Rec SV ERA IP HA HR BB K WHIP WAR
20 15 3-6 0 4.66 106.1 128 6 56 65 1.73 1.2
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 5 5 5 5
Movement 6 6 6 7
Control 3 3 3 4
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 7 7
Changeup 6 6
Sinker 5 6
 
 
OTHER PITCHING RATINGS
Velocity 97-99 Mph
Stamina 10
Suggested Role Borderline SP
Groundball Percentage 62 %
Hold Runners 9
Defense 5
RUN/BUNT RATINGS
Running Speed: 2
Stealing Ability: 4
Baserunning Inst.: 3
Sacrifice Bunt: 5
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/24/2026 @ LAN Win, 6-3 X 8.0 3 3 3 2 2 Win
09/16/2026 ASH Win, 6-5 X 5.2 10 5 5 2 4
09/05/2026 @ NE Win, 10-5 X 4.1 10 5 5 0 3
08/31/2026 @ YAK Loss, 1-7 X 4.2 10 7 4 3 3 Loss
08/23/2026 @ SAL Win, 8-4 X 8.0 5 4 4 6 3 Win
08/17/2026 LAN Win, 9-4 X 7.0 12 4 4 5 5
08/09/2026 @ ASH Loss, 1-3 X 7.1 5 3 3 6 9 Loss
08/01/2026 @ LC Loss, 2-4 X 7.0 8 3 3 2 0 Loss
07/27/2026 SAL Win, 7-5 X 6.1 10 5 1 3 6 Win
07/19/2026 @ TAC Win, 4-3 X 6.1 5 2 1 5 4
PERSONALITY
Leader Ability:Normal
Loyalty:Very Low
Desire f. Win:Normal
Greed:Very Low
Intelligence:Normal
Work Ethic:Normal
Birthday:09/18/2005
Born in:David, CHI
Nationality:Panamanian
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:3 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
StatsPlus
StatsPlus Player Page
USPL DOUBLE A 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 20 15 3 6 0 4.66 106.1 128 65 55 6 56 65 1 6.7 0 8 53.3
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 2 0 0.0 5 2 15.57 10.83 5.50 4.74 4.08 1.73 103 1.2 .343        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 110 38 5 1 2 19 10 21 2 0 0 .345 .393 .464 .857      
vs. RHB 313 90 16 3 4 46 46 44 2 4 0 .288 .377 .396 .773      
USPL DOUBLE A 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
May 4 0 0 0 0 0.00 5.0 3 0 0 0 1 5  
June 5 4 1 2 0 4.59 33.1 36 19 17 4 10 15  
July 4 4 1 1 0 3.75 24.0 29 15 10 0 21 18  
August 5 5 1 3 0 4.76 34.0 40 21 18 1 22 20  
September 2 2 0 0 0 9.00 10.0 20 10 10 1 2 7  
Postseason 1 1 1 0 0 3.38 8.0 3 3 3 1 2 2  
Career 20 15 3 6 0 4.66 106.1 128 65 55 6 56 65  
Home 7 5 2 1 0 5.05 35.2 48 24 20 3 16 25  
Road 13 10 1 5 0 4.46 70.2 80 41 35 3 40 40  
Grass 18 14 2 6 0 4.59 96.0 119 59 49 4 50 62  
Turf 2 1 1 0 0 5.23 10.1 9 6 6 2 6 3  
Day 5 5 2 1 0 5.87 30.2 47 24 20 3 17 25  
Night 15 10 1 5 0 4.16 75.2 81 41 35 3 39 40  
As Starter 15 15 3 6 0 4.82 99.0 121 63 53 5 55 60  
As Reliever / Substitution 5 0 0 0 0 2.45 7.1 7 2 2 1 1 5  
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+
Total USSL 43 40 15 13 1 3.26 292.2 245 112 106 10 110 307 2 1 1.21 .308 2.71 5.8 101
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+
2023 South Beach - A 17 19 16 4 7 1 4.01 119.0 117 57 53 5 49 108 0 0 1.39 .327 3.15 1.6 79
2024 South Beach - A 18 6 6 2 2 0 2.02 40.0 25 11 9 1 15 45 1 0 1.00 .253 2.57 1.0 162
2025 South Beach - A 19 18 18 9 4 0 2.96 133.2 103 44 44 4 46 154 1 1 1.11 .303 2.36 3.2 102
2026 Mercer Island - AA 20 20 15 3 6 0 4.66 106.1 128 65 55 6 56 65 1 0 1.73 .343 4.08 1.2 85
Total PAA 20 15 3 6 0 4.66 106.1 128 65 55 6 56 65 1 0 1.73 .343 4.08 85.2
Total PA 43 40 15 13 1 3.26 292.2 245 112 106 10 110 307 2 1 1.21 .308 2.71 100.8
CAREER POSTSEASON 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 Mercer Island - PAA 20 1 1 1 0 0 3.38 8.0 3 3 3 1 2 2 0 0 0.62 .083 0.00 0.0 0
Total PAA 1 1 1 0 0 3.38 8.0 3 3 3 1 2 2 0 0 0.62 .083 5.06 117.5
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2023 South Beach - A P 19 16 6 22 1 28 0 1.000 119.0 2.12 +0.9 1.034
2024 South Beach - A P 6 6 3 4 0 7 0 1.000 40.0 1.57 +0.5 1.261
2025 South Beach - A P 18 18 8 9 2 18 1 .944 133.2 1.14 +0.4 1.089
2026 Mercer Island - AA P 19 15 3 9 0 14 2 .857 106.1 1.02 -0.7 .861
TOTAL P 62 55 20 44 3 67 3 .955 399.0 1.44 +1.1 1.018
PLAYER HISTORY
01/01/2022 Entered the United States Premier League as an international amateur free agent from Panama.
02/21/2022 Signed a minor league contract ($10,000,000 bonus) out of Panama with the Boston Patriots organization.
05/01/2022 Named the #96 prospect in the PL
01/01/2023 OSA scouting updated ratings (potential): Stuff: 4 (8); Movement: 4 (6); Control: 2 (7).
05/01/2023 Named the #43 prospect in the PL
01/01/2024 OSA scouting updated ratings (potential): Stuff: 4 (6); Movement: 5 (6); Control: 2 (6).
05/01/2024 Named the #82 prospect in the PL
06/08/2024 Injured on 06/06/2024, diagnosed with shoulder inflammation, will miss 3-4 months.
09/12/2024 Wins the 2024 PL A Championship MVP Award.
09/13/2024 Wins the 2024 USPL Single A PL A Championship with the South Beach Blaze!
01/01/2025 OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 5 (6); Control: 2 (4).
07/02/2025 Injured (mild shoulder inflammation), out for one week.
08/06/2025 Pitches a 4-hit shutout against the Gwinnett County Black Cats with 11 strikeouts and 2 BB allowed!
01/01/2026 OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 6 (7); Control: 3 (4).
09/25/2026 Wins the 2026 USPL Double A PL AA Championship with the Mercer Island Screaming Eagles!
Monday, March 20th, 2017 - OOTP Baseball 17.12 Build 75