Minnesota Vikings running back Adrian Peterson says he takes PED accusations as a compliment.
Washington Redskins quarterback Robert Griffin III said he will return to full-team work Tuesday, another step in his goal of playing in the season opener against the Philadelphia Eagles.
Chargers wide receiver Malcom Floyd strained his right knee in a collision with cornerback Shareece Wright during practice Monday.
Darrelle Revis is doing so well in his recovery from knee surgery that the cornerback might play in Week 3 of the preseason, putting him three weeks ahead of schedule, Tampa Bay Buccaneers general manager said.
The NFL forced the Indianapolis Colts to activate running back Ahmad Bradshaw from the physically unable to perform list Monday due to a violation of league rules, a source confirmed to ESPN.com's Mike Wells.
Buccaneers guard Carl Nicks said Monday that the toe injury that sidelined him for the final nine games of last season is something he'll likely have to deal with for the rest of his life.
The Philadelphia Eagles have acquired wide receiver Jeff Maehl from Houston for offensive lineman Nate Menkin.
Pro Bowl running back Jamaal Charles left midway through the Chiefs' practice Monday with what coach Andy Reid called a strained foot. X-rays were negative.
Colts owner Jim Irsay didn't like what he saw on the field during his team's 44-20 preseason loss to the Bills on Sunday afternoon.