For about half a decade, it’s been something of an open secret in baseball that players—pitchers especially—regularly undergo stem-cell therapy to stave off surgeries and lost playing time. It’s a cutting-edge medical procedure, done by everyone from high-school standouts to major-league all-stars. It’s rarely discussed by players, or by their coaches, parents, doctors, or employers.
Now Stem Cell treatments are about to disrupt the Tommy John epidemic in baseball.