Hayhurst breaks down Happ's new mechanics
TSN VideoHow has J.A. Happ been so dominant in his second stint with the Blue Jays? TSN Baseball analyst Dirk Hayhurst explains how small tweaks to his mechanics have had a big impact on his game.
Published: Aug 25, 2016, 5:27 pm Added: Aug 25, 2016, 6:27 pm