12:50 PM - Austin Peterson (Cle) (triceps) has made two starts for Triple-A Columbus since being activated from the 7-day injured list Tuesday, covering seven innings and striking out six batters while yielding one earned run on four hits and one walk.

12:44 PM - Austin Peterson (Cle) Guardians optioned Peterson (triceps) to minor-league camp Friday.

1:12 PM - Austin Peterson (Cle) was diagnosed with a right triceps strain Saturday and will miss roughly 6-8 weeks, Tim Stebbins of MLB.com reports.