The Mariners have made the following roster moves -Placed C Tom Murphy on the 10-Day IL with a left thumb sprain, retroactive to August 14th -Selected C Brian O'Keefe from AAA TacomaRainiers Photos by _LivLyons #SeaUsRise #SeattleMariners #Baseball #MLB #MarinersBaseball #SeattleBaseball #TomMurphy #BrianOKeefe #Seattle #SeattleSports #CirclingSeattleSports