Evaluating Willson Contreras' and Sonny Gray's importance to Red Sox - Breaking Balls with Tony Mazz

In the latest episode of Breaking Balls, Mazz breaks down Willson Contreras' approach at the plate, as well as why Sonny Gray is performing at an elite level. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.