Jesus Montero has been primarily playing at first base for Cardenales de Lara of the Venezuelan League.
Major League Baseball has handed Jesus Montero a 50-game performance-enhancing drug suspension.
Jesus Montero (knee) went 1-for-3 with a walk in his seventh game Tuesday in the Arizona Rookie League.
Jesus Montero (knee) will serve as the designated hitter on Friday for the Mariners' Arizona Rookie League team.
Jesus Montero is expected to miss 4-6 weeks with a torn meniscus in his left knee.
Mariners optioned C Jesus Montero to Triple-A Tacoma.
Ryan Divish of the Tacoma News Tribune reports that Jesus Montero will be demoted to the Triple-A level.
Jesus Montero hit a go-ahead homer in the seventh inning of the Mariners' 2-1 win on Wednesday.
Jesus Montero went 2-for-4 with a two-run homer Saturday against the Angels.
Jesus Montero hit his first home run of the season in Monday's win over the Astros.
Mariners manager Eric Wedge said he plans to "mix and match" at catcher for a while.
Jesus Montero had a monster day against the Reds Monday, hitting a grand slam while plating a total of six runs as part of a 3-for-3 performance.
Jesus Montero did not suffer a concussion Saturday when he was hit in the head with a bat according to Mariners general manager Jack Zduriencik.
Jesus Montero left Saturday's game against the Indians after being hit in the head by the bat of Francisco Lindor.