Will Stem Cell Therapy Replace Tommy John Surgery for Baseball Players? Angels Pitchers May Find out

June 30, 2016

(Los Angeles Times) – Undergoing stem cell treatment might allow him to return to the Angels’ rotation by the end of this season, Heaney was told. So he took a calculated risk and visited the Kerlan-Jobe Orthopaedic Clinic, where stem cells from his own bone marrow were injected  into his left elbow. Two weeks later, in mid-May, Garrett Richards, the Angels’ 28-year-old ace right-hander, underwent the same procedure for a partial UCL tear similar to Heaney’s.