Mariners monitor prospects while Athletics manage injuries to De Vries and Arnold

Yahoo Sports1 min read • Latest: Sep 10, 2026, 2:00 PM

Last updated Sep 10, 2026

Mariners monitor prospects while Athletics manage injuries to De Vries and Arnold
Summary

Seattle Mariners prospect Michael Arroyo moved to outfield drills during a team practice this week. The organization is currently accepting applications for baseball operations and data science internships. Across the league, the Athletics face long-term health concerns for two top prospects. Leo De Vries is scheduled for shoulder surgery with an expected recovery timeline of eight months. Teammate Jamie Arnold sustained facial fractures after being struck by a line drive during a game on Tuesday and currently holds no return date. Additionally, the Dodgers are considering an injured list stint for Shohei Ohtani due to pitching-related concerns impacting his hitting performance, while Jazz Chisholm, Jr. was placed on the injured list by the Yankees with a thumb sprain.

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Status Watch
  • Michael Arroyo participated in outfield drills before Wednesday's Mariners game.
  • Leo De Vries faces an eight-month recovery following upcoming shoulder surgery.
  • Jamie Arnold remains sidelined after suffering facial fractures from a line drive.
  • Shohei Ohtani may move to the injured list to address persistent pitching injuries.
  • Jazz Chisholm, Jr. is currently on the injured list with a thumb sprain.
Latest Updates
  • 2:00 PMYahoo SportsMariners News: Michael Arroyo, Leo De Vries, and Jamie Arnold
What they're saying
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The A’s get bad news on a pair of their top prospects while the Dodgers closely monitor an ailing Shohei Ohtani.

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