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Charlie Beilenson

Charlie Beilenson #86

  • P
  • B/T: R/R
  • 6' 0"/215
  • Age: 26

2026 Spring Training

G W-L ERA IP SO WHIP
2 0-0 10.80 1.2 0 1.80

Charlie Beilenson Bio

  • Fullname: Charles Graeme Beilenson
  • Born: 12/10/1999 in Los Angeles, CA
  • Draft: 2024, Seattle Mariners, Round: 5, Overall Pick: 154
  • College: Duke
Charles Graeme Beilenson
Charles Graeme Beilenson (bee-lin-sin)...attended Ivy League school Brown University, where he pitched for three seasons (2019-22) before transferring to Duke University, where he pitched for two seasons (2023-24) before being drafted by the Mariners...goes into the 2026 season ranked as the Mariners #25 prospect via MLB Pipeline.

2025

Went 4-4 with seven saves and a 4.02 ERA (28 ER, 62.2 IP) with 75 strikeouts and 12 walks in 44 relief appearances between High-A Everett (20 G) and Double-A Arkansas (24 G)...tossed a season-high three innings on two occasions, both with Everett (4/10 vs. Hillsboro and 5/2 at Eugene), registering six strikeouts and seven strikeouts, respectively in those outings.

2024

Pitched in four games with Class-A Modesto in his debut as a professional.
Year W L ERA G GS SV IP SO WHIP
2026 Spring Training 0 0 10.80 2 0 0 1.2 0 1.80
  • Status: Non-Roster Invitee
  • Next SEA Game: 03-10 vs KC

News

3/03/2026 at 4:39 PM 3/03/2026 at 4:39 PM

Magnitude of world stage not lost on trio of top prospects repping Team Israel
9/14/2025 at 5:45 PM 9/14/2025 at 5:45 PM

Charlie Beilenson strikes out two
6/07/2025 at 1:11 AM 6/07/2025 at 1:11 AM

Charlie Beilenson's eighth K preserves the no-hitter
4/11/2025 at 12:24 AM 4/11/2025 at 12:24 AM

Charlie Beilenson's behind-the-back grab
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