The Texas Rangers purchased the contract of pitcher Justin Grimm from Double-A Frisco on Saturday.
The 23-year-old Grimm is slated to make his Major League debut Saturday night against the Houston Astros. Grimm went 8-3 with a 1.87 earned run average with Frisco this season.
The Ranger optioned pitcher Yoshinori Tateyama to Triple-A Round Rock to make room for Grimm.
Tateyama appeared in seven games with Texas this season and doned a 1-0 record after giving up 11 earned runs over 8 1/3 innings.
Texas also transferred pitcher Neftali Feliz from the 15-day disabled list to the 60-day DL.