The Karlos Williams experiment is over in Buffalo. The Bills announced Saturday that the running back has been released. Williams cleared waivers Monday and is a free agent.

Defensive tackle Marcell Dareus is facing a four-game suspension for another violation of the league's substance abuse policy, a source informed told NFL Media Insider Ian Rapoport.

Dallas Cowboys rookie running back Ezekiel Elliott (hamstring) took part in the team's walk-through practice on Monday. Take a look at the other injuries that we are tracking.

Preseason depth charts have been released, and Alex Gelhar has combed through all of them to provide you with the necessary fantasy football insight as you prepare for your drafts.

The Arizona Cardinals and safety Tyrann Mathieu agreed on a five-year, $62.5 million contract. The honey badger deserves credit for turning his career around. Here's what else we learned on Tuesday.

Arian Foster's Miami career will start on the sidelines, as the new Dolphins running back has been placed on the PUP list as camp opens.

Now that LeSean McCoy has escaped legal trouble, the Bills running back is ready to talk about it. Will McCoy rebound from a difficult offseason?

Von Miller gets paid; Mo Wilkerson makes mo' money; and Deflategate meets its end. Marc Sessler breaks down a wild end to the NFL offseason.

More bad news out of the Buffalo backfield. Bills running back Karlos Williams has been suspended for the first four games of 2016 for violating the league's substance abuse policy.

Get a look at each full team from our latest fantasy football mock draft, with draft strategy and insight provided by each member of the mock!

We held our second full 10-team analyst mock draft of the offseason, and while the top of the draft stayed the same, there were plenty of surprises throughout. See the full mock here.

When it comes to fantasy running backs, the sophomore slump can be frustrating. Matt Francsicovich drills down on which second-year backs are looking to take the next step in part 2 of this series.

Eugene Monroe's tenure in Baltimore appears to be over, but at least he didn't injure himself chasing after his cellphone. Gregg Rosenthal examines what we learned from Tuesday's minicamps.

Buffalo Bills running back Karlos Williams is going to need to drop a few pounds before he's allowed to practice, but at least he's got a good, original excuse for his offseason weight gain.

Brandon Marshall and Eric Decker dominated in the red zone in 2015. What's in store for them in 2016? Alex Gelhar breaks down the red zone fantasy scoring and efficiency for all AFC teams here.

Cardinals running back Chris Johnson believes he and second-year star David Johnson can be the NFL's best backfield tandem this year. Is that a realistic goal? Chris Wesseling explores.

Surprising no one, Antonio Brown and Odell Beckham were the first two players taken in our first staff fantasy football mock draft for 2016. The rest of the draft? Well, there were plenty of surprises.

Roster Reset takes a look at the AFC East where the biggest story is the players who currently aren't around. How much will a pair of missing quarterbacks impact fantasy futures in 2016?

Ezekiel Elliott figures to see plenty of touches out of the Cowboys' backfield, but there are several other newly minted NFL running backs poised to make an impact in 2016, Gregg Rosenthal writes.

Todd Gurley became the first running back drafted in the first round since 2012. With a year in the rearview mirror, Gregg Rosenthal looks at where last year's running backs should have been drafted.

LeSean McCoy's alleged connection to an offseason bar brawl is unlikely to cost him any time on the field in 2016. Ian Rapoport reports the running back isn't expected to face charges.

Getting touches is important for fantasy running backs, but it's what they do with those touches that separates the elite from the average. Here are the top 30 running backs ranked by 2015 efficiency.

Which teams received top marks for their rookie classes in 2015? Bucky Brooks lauds eight NFL franchises -- including Jameis Winston's Buccaneers, Marcus Peters' Chiefs and Todd Gurley's Rams.