On Tuesday, the Mariners selected the contract of RHP Joey Gerber adding him to the 40-man roster and the active 30-man roster. He will be in uniform for the Mariners tonight.
Also being added to the big league club, Seattle recalled LHP Taylor Guilbeau from the alternate training site.
In corresponding moves, the team placed RHP Kendall Graveman on the 10-Day IL as neck spasms have been bothering him. The Mariners also optioned RHP Zac Grotz to the alternate training site.
The #Mariners today made the following roster moves:
Selected the contract of RHP Joey Gerber.