The Dolphins are doubling down on running back additions in the wake of Alexander Mattison's season-ending neck injury.

The Cowboys still are figuring out Joe Milton.

Shedeur Sanders played well enough against the Panthers in the Browns' preseason opener that Nike released an ad featuring the quarterback, but the outing didn't lead to any change on the Browns' depth chart.

The Vikings claimed offensive guard Michael Gonzalez off waivers after losing offensive tackle Matt Nelson for the season.

The Patriots picked up a defensive lineman on Monday.

The Raiders signed free agent wide receiver Marquez Callaway, the team announced Monday.

The 49ers don't know for sure when wide receiver Brandon Aiyuk will be ready to return from last season's knee injury.

Seahawks running back Kenneth Walker missed practice for the second straight day on Monday, but head coach Mike Macdonald said it's part of the team's approach to making sure Walker is good to go for the start of the season.

Chiefs head coach Andy Reid shared some negative injury updates during his Monday press conference and two players had their seasons come to an end a short time later.

The Titans made a change to their quarterback room on Monday.

The Texans officially added veteran safety Jalen Mills to their roster on Monday and they also announced a corresponding move to create space for him in Houston.

The Bears have made a pair of roster moves on Monday.

The Buccaneers lost a running back to injury over the weekend, so they're moving to add a healthy one on Monday.

The Steelers announced a handful of roster moves on Monday.

Rams quarterback Matthew Stafford did not practice Monday and is spending time in a new rejuvenation chamber as he works to return from a back injury.

Tom Brady had kind things to say about Bill Belichick as he prepares to take over UNC.

Rams quarterback Matthew Stafford was originally supposed to practice on Monday after going through a workout on Saturday.

As it turns out, Rams quarterback Matthew Stafford will not practice on Monday.

Dolphins running back Alexander Mattison's season is over.

The Commanders kicked off the week by doing some roster shuffling.

The Dolphins are taking a look at a veteran running back.

The Browns have made several roster moves on Monday.

The Colts don't yet know who their quarterback will be when they open the season against the Dolphins on Sept. 7.

Dickerson was injured in Sunday's practice.

Drake Maye is in his second season as the Patriots' starting quarterback, but he isn't a finished product at this point.

Rookie Tyler Shough got the most snaps at quarterback for the Saints in Sunday's preseason opener against the Chargers, but Spencer Rattler got the first chance to make his case to be the team's starter.

The Patriots' depth chart lists safety Kyle Dugger as a starter a year after he signed a four-year, $58 million contract. But it's not clear that Dugger is actually going to be on the first team when the season starts.

Rams left tackle Alaric Jackson is currently out because of blood clots in his leg, and if he can't go, the Rams are reviewing their options for protecting Matthew Stafford's blind side.

Travis Hunter shows up well, Patrick Mahomes may have a new minder and rookie quarterbacks have differing fortunes in their pre-season openers.

In the latest Eagles notebook: Ty Robinson gets his first sack, Johnny Wilson shows out and more.

Linebacker Jermaine Johnson was activated off of the Active/Physically Unable to Perform (PUP) list, the New York Jets announced Sunday.

There's no immediate word on the severity of the injury.

With his solid performance against the Saints, Trey Lance's continues to make progress in his bid to unseat Taylor Heinicke as the Chargers' backup quarterback.

Jones is expected to play a couple of series before Anthony Richardson takes over.