How did Chiefs coach Andy Reid know it was OK to turn the page at QB from Alex Smith to Patrick Mahomes? Gregg Rosenthal takes us back to Mahomes' Kansas City debut last season.

Indianapolis Colts tight end Brandon Williams was carted off the field after suffering a concussion early in the second quarter of Thursday night's game versus the Denver Broncos.

Here's a team-by-team rundown of every player cut as NFL general managers trim their rosters to the mandatory 53-player limit by Saturday's 4 p.m. ET deadline.