ROSTER MOVES: Our Mariners made the following moves today -Juan Then (#43), RHP, recalled from Double-A Arkansas (Photo by Steph Chambers) -Penn Murfee, RHP, placed on 15-day Injured List (retro: May 4) with right elbow inflammation (Photo by _LivLyons) #SeaUsRise #Ready2Reign #SeattleMariners #Baseball #MLB #MarinersBaseball #SeattleBaseball #HoustonAstros #JuanThen #PennMurfee