Sean Murphy: Oakland Athletics Prospect Dies at Age 27, Team SaysSad news out of Oakland.CopyFacebookXTruthGettrLinkedInTelegramEmailSaveSean Murphy had reached the Oakland A's AAA minor league team before undergoing Tommy John surgery in 2014 and missed all of last season. Lachlan Cunningham/Getty ImagesBy Dave Martin4/26/2016Updated: 4/27/2016Print