Richards hopeful about alternate treatment

Garrett Richards says he doesn't know exactly when he hurt his arm and talks about preparing for Tommy John surgeryANAHEIM -- Garrett Richards' decision to undergo stem-cell therapy in hopes of bypassing Tommy John surgery was summed up by the Angels' starter in three words on Wednesday: "Why not, right?"

Richards, diagnosed with a high-grade tear of his ulnar collateral ligament a couple of weeks ago, believes he would've likely missed all of the 2017 season even if he had the procedure immediately. So he felt this was worth a shot.

"This is just a resource that I was going to exercise before surgery," Richards said. "Some guys have had some success with it. The way my timetable lines up, as…