Clemson defensive coordinator Tom Allen gets his players to give maximum effort. His secret weapon: post-practice up-downs, punishing defenders for every failure from the day prior.

Dennis Allen is having the Bears defense do the classic football conditioning up-down drill for a good reason. It's part of his test, which is fitting challenge for this veteran unit.

The Bears re-signed safety Alex Cook on Thursday morning, two days after cutting him. In between, the entirety of the Bears' defense did 40 up-downs during its first practice Wednesday, ...

Safety Kevin Byard describes the up-downs initiation process the Bears went through and how they also had their new safety pay the price, as well.