Getty Boise State running back Ashton Jeanty. The Chicago Bears made so many upgrades across the roster in free agency and via the trade market, what the team might end up doing with the No. 10 pick in the NFL draft has become considerably harder to say. Initially, offensive line help made the most sense — and perhaps it still does. But after trading for two new offensive guards and signing a center, the only feasible need is at left tackle. Chicago also added a pass rusher and a defensive