P Mario de Leon #24
Age: 21 | Bats: R | Throws: R | Morale: Normal
12/31/2025
P MARIO DE LEON #24 - AGE: 21 - BATS: R - THROWS: R - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
0 0 0-0 0 0.00 0.0 0 0 0 0 0.00 0.0
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 3 3 3 4
Movement 3 3 3 4
HRA 2 2 2 4
PBABIP 2 2 2 4
Control 3 3 3 4
PITCHING RATINGS
Pitch Cur. Pot.
Curveball 3 5
Changeup 3 3
Cutter 4 5
 
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 45
Suggested Role Starter
Type Flyball Pitcher
Hold Runners 60
Defense 50
RUN/BUNT RATINGS
Running Speed: 35
Stealing Ability: 30
Baserunning Inst.: 35
Sacrifice Bunt: 75
Bunt for Hit: 25
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/19/2025 @ UT Win, 13-2 3.2 3 1 1 2 3 Save
09/12/2025 @ UTEP Win, 12-7 2.1 5 4 3 1 3
09/08/2025 LSU Loss, 6-9 1.0 1 0 0 0 1
08/24/2025 NEB Win, 3-2 4.1 5 0 0 0 4
07/24/2025 UTAH Loss, 8-10 0.2 2 3 3 1 0
07/18/2025 @ UNO Loss, 1-3 1.1 0 0 0 1 1
07/04/2025 @ ASU Loss, 9-10 3.2 0 0 0 2 5
06/27/2025 UT Win, 12-5 4.1 1 0 0 3 6 Win
06/23/2025 UTEP Loss, 1-4 2.2 1 0 0 0 0
06/13/2025 @ LSU Loss, 3-16 2.2 6 4 4 1 2
PERSONALITY
Typical approach is cool, slow, and methodical.
Personality Class: Unknown
Birthday:09/11/2004
Born in:Maryland Heights, MO
Nationality:American
Height:6' 0"
Weight:180 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:Arbitration eligible in offseason
Option Years:2 option years left
Contract Extension: -
Drafted:2022, 13th Pick in Round 15
PBC ROOKIE COLLEGE LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 16 0 2 0 1 4.65 40.2 42 29 21 10 17 30 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 2 0 100.0 16 6 13.50 9.30 6.64 3.76 6.46 1.45 135 -0.6 .269        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 59 16 1 1 2 5 6 11 2 0 0 .271 .328 .424 .752      
vs. RHB 96 26 4 1 8 24 11 19 2 1 2 .271 .351 .583 .935      
PBC ROOKIE COLLEGE LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 2 0 1 0 0 9.82 3.2 6 4 4 0 3 1  
May 3 0 0 0 0 7.11 6.1 9 11 5 4 2 3  
June 4 0 1 0 0 3.29 13.2 11 6 5 3 5 9  
July 3 0 0 0 0 4.76 5.2 2 3 3 1 4 6  
August 1 0 0 0 0 0.00 4.1 5 0 0 0 0 4  
September 3 0 0 0 1 5.14 7.0 9 5 4 2 3 7  
Last Year 27 0 1 4 4 5.73 55.0 66 35 35 9 21 50  
Career 43 0 3 4 5 5.27 95.2 108 64 56 19 38 80  
Home 7 0 1 0 0 3.14 14.1 15 10 5 3 5 12  
Road 9 0 1 0 1 5.47 26.1 27 19 16 7 12 18  
Grass 16 0 2 0 1 4.65 40.2 42 29 21 10 17 30  
Day 8 0 0 0 0 5.60 17.2 22 18 11 6 5 11  
Night 8 0 2 0 1 3.91 23.0 20 11 10 4 12 19  
As Reliever / Substitution 16 0 2 0 1 4.65 40.2 42 29 21 10 17 30  
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+
2019 Total - 14 15 15 7 3 0 1.66 114.0 88 25 21 4 20 134 0 0 0.95 .288 1.83 5.3 100
2020 Total - 15 16 16 9 2 0 2.00 121.1 98 33 27 6 22 141 0 0 0.99 .293 2.11 5.0 100
2021 Total - 16 14 8 3 2 0 2.12 63.2 53 16 15 3 12 69 0 0 1.02 .292 2.26 2.3 100
2022 Total - 17 15 8 3 2 0 2.14 71.1 55 21 17 4 18 87 0 0 1.02 .290 2.33 2.5 100
2023 Las Vegas (R) - R 18 39 0 7 2 5 2.88 65.2 67 22 21 5 21 61 0 0 1.34 .313 3.23 1.6 171
2024 Nevada - R+ 19 27 0 1 4 4 5.73 55.0 66 35 35 9 21 50 0 0 1.58 .352 4.68 0.3 85
2025 Nevada - R+ 20 16 0 2 0 1 4.65 40.2 42 29 21 10 17 30 0 0 1.45 .269 6.46 -0.6 103
Total R+ 43 0 3 4 5 5.27 95.2 108 64 56 19 38 80 0 0 1.53 .317 5.44 91.7
Total R 39 0 7 2 5 2.88 65.2 67 22 21 5 21 61 0 0 1.34 .313 3.23 171.2
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2023 Las Vegas (R) - R P 38 0 5 5 2 10 0 1.000 65.2 1.37 +0.6 .834
2024 Nevada - R+ P 26 0 2 4 0 6 0 1.000 55.0 0.98 -0.6 .751
2025 Nevada - R+ P 15 0 3 5 0 9 1 .889 40.2 1.77 +0.1 .834
TOTAL P 79 0 10 14 2 25 1 .960 161.1 1.34 +0.1 .813
PLAYER HISTORY
01/01/2020 OSA scouting updated ratings (potential): Stuff: 2 (4); Movement: 2 (4); Control: 2 (4).
01/01/2021 OSA scouting updated ratings (potential): Stuff: 2 (4); Movement: 2 (4); Control: 2 (4).
01/01/2022 OSA scouting updated ratings (potential): Stuff: 2 (4); Movement: 2 (4); Control: 2 (4).
10/30/2022 Drafted in the 2022 first-year player draft out of high school (Quincy; Quincy, IL) by the Las Vegas Aces. (Round 15, Pick 13, 319th overall pick).
01/01/2023 OSA scouting updated ratings (potential): Stuff: 2 (4); Movement: 2 (4); Control: 2 (4).
08/28/2023 Was selected to the 2023 PBC Rookie Complex League All-Star Game.
10/27/2023 Finished 2nd in 2023 R RCLW Reliever of the Year Award voting.
01/01/2024 OSA scouting updated ratings (potential): Stuff: 2 (4); Movement: 2 (4); Control: 2 (4).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 3 (4); Movement: 3 (4); Control: 3 (5).
07/04/2025 Injured (mild hamstring strain),day-to-day for 2 weeks.
Thursday, April 23rd , 2026 - OOTP Baseball 27.1 Build 52