The Pirates passed an early test at Wrigley, taking 2 of 3 from the Cubs, but Alex Stumpf explains why the series still left some real concerns behind. On this episode of OffBeat, Alex breaks down strong starts from Carmen Mlodzinski, Braxton Ashcraft, and Bubba Chandler, the continued production from Oneil Cruz and the offense, and why the bullpen and defense still feel like the biggest threats to this team’s ceiling.