Luke Stuckmeyer is joined by MLB Network's Dan Plesac, who is fresh off his tour of major league camps in Arizona. The pair discuss where the holes might be on this Cubs roster (1:00), how the back end of the bullpen will shake out (4:30), the new technology the Cubs are employing to help their pitchers improve (9:00), the state of pitcher development in today's game (13:30), and how the addition of Bryce Harper changes the outlook in the National League this season (16:30).