Chargers coach Norv Turner said Thursday that Ryan Mathews (neck) hasn't improved to the point where he can practice, and added "missing a Wednesday and Thursday sets a player back."
Raiders waived RB Trent Richardson.
Rishard Matthews started the Dolphins' third preseason game over Kenny Stills.
Patriots waived WR Josh Boyce, WR Jonathan Krause, TE Jimmay Mundine, DL Joe Vellano and LB Dekoda Watson.
Jaguars GM Dave Caldwell called Week 4 a "realistic" return target for Julius Thomas (hand surgery).
DeVante Parker (foot) resumed practicing Monday, and the Dolphins are "quietly hopeful" he'll be ready for Week 1.
Montee Ball appears to be in danger of losing his roster spot in Denver.
The league has upheld Martavis Bryant's four-game suspension for violating the substance-abuse policy.
The Bills have confirmed Tyrod Taylor will be their starting quarterback.
Emmanuel Sanders (hamstring) has resumed practicing.
Lions activated RB Joique Bell (knee, Achilles') from the active/PUP list.
Robert Griffin III has been benched.