ALCS X-factor: Red Sox's ability to punish low pitches against Astros' sinkerball pitchers could loom large | CBS Sports Headlines ALCS X-factor: Red Sox's ability to punish low pitches against Astros' sinkerball pitchers could loom large The Astros like to keep the ball down, but several Red Sox hitters excel … Continue reading ALCS X-factor: Red Sox's ability to punish low pitches against Astros' sinkerball pitchers could loom large