Spring is in the air...in Arizona, at least.Cubs pitchers and catchers reported to their Mesa, Ariz., complex this week and we broke it all down on the Cubs Weekly Podcast with host Cole Wright and Tony Andracki.The Jake Arrieta signing became official this week and our panel discusses what he brings to the table in the locker room and how his arrival will impact the rest of the rotation.Plus, Cole and Tony tackle a slew of other pitching topics with help from Kyle Hendricks, Jed Hoyer and Tommy Hottovy.