Mariners designated 1B Ji-Man Choi for assignment.
Ji-Man Choi (leg) is expected to miss 4-6 months.
Ji-Man Choi has been diagnosed with a fractured right fibula.
Ji-Man Choi had to be carted off the field Wednesday after suffering an apparent leg injury.
Ji-Man Choi has joined Double-A Jackson.
Ji-Man Choi has been suspended 50 games by MLB for testing positive for performance-enhancing drugs.
Mariners purchased the contract of 1B Ji-Man Choi from Triple-A Tacoma.