Marcus Mariota, QB, Titans: Hurt his right knee in the second quarter and didn't return, but he said he doesn't expect to miss the rest of the season.
T.J. Yates, QB, Titans: Left because of an injured left knee. The CBS broadcast said initial reports indicated it was an ACL injury.
Danny Amendola, WR, Patriots: Knocked out by a knee injury.
Dont'a Hightower, LB, Patriots: Suffered a knee injury as well.
Patrick Chung, S, Patriots: Didn't return because of a hip injury.
LeSean McCoy, RB, Bills: Left after injuring his right knee in the second half.
Jimmy Smith, CB, Ravens: Hurt his thigh on the Chiefs' opening series.
Jayrone Elliott, LB, Packers: Left because of a quadriceps injury.
David Bakhtiari, OL, Packers: Suffered an ankle injury.
Mario Edwards Jr., DE, Raiders: Left due to a neck injury.