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Luis De León

Luis De León #81

  • P
  • B/T: L/L
  • 6' 3"/168
  • Age: 23
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2026 Regular Season

G W-L ERA IP SO WHIP
8 0-2 1.93 9.1 6 0.75

Career Regular Season

G W-L ERA IP SO WHIP
8 0-2 1.93 9.1 6 0.75

Luis De León Bio

  • Fullname: Luis Mario De León
  • Born: 4/14/2003 in Barahona, Dominican Republic
  • Debut: 9/01/2026
Luis Mario De León
From Barahona, Dominican Republic...Signed as an international free agent on Dec. 15, 2021...Signed by Gerardo Cabrera and Michael Cruz.

2025

Split the season between three levels of Baltimore's system after beginning the season on the seven-day injured list...Went 5-3 with a 3.30 ERA (32 ER/87.1 IP) and 107 strikeouts across 20 appearances (18 starts)...Ranked among O's Minor Leaguers in strikeouts (tied for seventh) and starts (tied for eighth)...Made four starts with Single-A Delmarva before his activation by High-A Aberdeen on May 27...Posted a 3.58 ERA (24 ER/60.1 IP) in 13 appearances (11 starts) with the IronBirds...Named South Atlantic League Pitcher of the Week (Aug. 17)...Promoted to Double-A Chesapeake on Aug. 26, going 1-0 with a 1.69 ERA (three ER/16.0 IP) and 24 strikeouts across three starts to close the year...Following the season, named an Arizona Fall League All-Star, going 2-0 with a 2.76 ERA (five ER/16.1 IP) and 22 strikeouts in five starts with the Peoria Javelinas…Also earned AFL Pitcher of the Week honors on Oct. 12...Ended the year ranked the No. 5 Orioles prospect by Baseball America and No. 18 O's prospect by MLB Pipeline.

2024

Split the season between Delmarva and Aberdeen, going 3-5 with a 4.62 ERA (45 ER/87.2 IP) and 106 strikeouts in 26 appearances (18 starts)...Promoted to the IronBirds on May 21...Ended the year ranked the No. 8 Orioles prospect by Baseball America and No. 9 O's prospect by MLB Pipeline...Participated in the team's Fall Instructional League Camp at the Ed Smith Stadium complex in Sarasota.

2023

Went 5-1 with a 2.01 ERA (12 ER/53.2 IP) and 67 strikeouts in 15 appearances (11 starts) between the FCL Orioles and Delmarva...Promoted to the Shorebirds on July 14...Named Carolina League Pitcher of the Week (July 30)...Ended the year ranked the No. 26 Orioles prospect by MLB Pipeline.

2022

Made his professional debut between the DSL Orioles Black and Orange, going 4-4 with a 5.14 ERA (16 ER/28.0 IP) and 45 strikeouts over 10 appearances (five starts).
Year W L ERA G GS SV IP SO WHIP
2026 Regular Season 0 2 1.93 8 0 0 9.1 6 0.75
Career Regular Season 0 2 1.93 8 0 0 9.1 6 0.75
  • Status: Active
  • Next Game:

Splits

Duration W L ERA G GS SV IP H ER BB SO WHIP
Last 7 Games 0 1 1.08 7 0 0 8.1 4 1 2 5 0.72
Last 15 Games 0 2 1.93 8 0 0 9.1 5 2 2 6 0.75
Last 30 Games - - --- - - - --- - - - - ---
Last 3 Games W L SV IP H ER BB SO
9/23 vs TOR 0 0 0 0.2 1 0 0 1
9/18 vs MIL 0 0 0 1.1 1 0 0 0
9/15 @ NYM 0 0 0 2.0 0 0 0 1
Games by Position: RP (8)

News

9/17/2026 at 10:43 AM 9/17/2026 at 10:43 AM

Unfazed De León stacking strong outings for O's in 1st MLB stint
9/08/2026 at 8:25 PM 9/08/2026 at 8:25 PM

Ball 1 overturned after ABS challenge
9/02/2026 at 2:11 AM 9/02/2026 at 2:11 AM

De León takes loss in high-leverage debut, but O's encouraged by outing
9/01/2026 at 11:06 PM 9/01/2026 at 11:06 PM

Luis De León's first Major League strikeout
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Awards

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