2:28 PM - Riley O'Brien (SEA) cleared waivers and was outrighted to Triple-A Tacoma on Thursday.

3:10 PM - Riley O'Brien (SEA) was designated for assignment by the Mariners on Friday.

2:31 PM - Riley O'Brien (SEA) Mariners optioned O'Brien to Triple-A Tacoma on Sunday.

4:19 PM - Riley O'Brien (SEA) was recalled from Triple-A Tacoma on Thursday, Daniel Kramer of MLB.com reports.