Seattle Mariners First-Round Pick Pictured Throwing in Spring Training

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The Seattle Mariners kicked off the 2025 baseball season on Feb. 12, when pitchers and catchers reported to the Peoria Sports Complex in Peoria, Arizona. Several top 100 prospects were included among the team's non-roster invitees.
Many pitchers who aren't on the spring training roster are still in Peoria, working out in Seattle's "shove camp." Among them is Jurrangelo Cijntje, the first-round pick of the Mariners in the 2024 MLB Draft. And this is the first chance he'll have to really show the Seattle brass just what he can do.
The Mariners Players Development account (@MsPlayerDev on "X") shared a photo of Cijntje pitching. Cijntje quote-tweeted the post with the caption "Ready to go" with a trident emoji.
Ready to go🔱 https://t.co/Rw4XKkPZv0
— Loo Cijntje (@_LooCijntje) February 12, 2025
Cijntje was drafted with the 15th overall pick out of Mississippi State last July. He's one of the most interesting prospects in the minor leagues due to his status as an ambidextrous pitcher. Cijntje, a natural left-hander, has a fastball in the upper 90s with his right arm and low 90s with his left.
Cijntje has an over-the-shoulder throwing motion with his right arm and a lower angle with his left. He has yet to pitch a game in competition for the Mariners. In his final season with Mississippi State in 2024, he registered a 3.67 ERA and struck out 113 batters in 90.2 innings pitched across 16 starts.
Jurrangelo Cijntje, BHP.
— Rob Friedman (@PitchingNinja) February 19, 2024
Lefty & Righty Breaking Balls. pic.twitter.com/I2G0SGmqj8
Cijntje won't compete with players on the spring training roster, and he is expected to debut with Seattle's Low-A Modesto Nuts, who've won two-straight California League championships.
Cijntje is the first legitimate ambidextrous starting pitching prospect in the major leagues in years. If he can develop both arms into being major league-capable, he could be one of the most valuable players in the future for the Mariners.
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Teren Kowatsch is a staff writer for ''Minor League Baseball on SI'' and other "On SI'' baseball sites. He has been a writer for “On SI’’ for two years and is a graduate of the University of Idaho. You can follow him on Twitter @Teren_Kowatsch