Williams, Spikes sit out Tuesday's OTA

ORCHARD PARK, N.Y. -- Defensive tackle Marcell Dareus -- who is in legal trouble -- was not the only Buffalo Bills player absent from Tuesday's organized team activity.

Defensive end Mario Williams, who was eased back into action last week as he comes off hip surgery, was also not on the field Tuesday.

"Mario was getting checked out today just to make sure everything was OK," coach Doug Marrone said afterwards.

Meanwhile, linebacker Brandon Spikes was in uniform but did not take part in team drills Tuesday.

"He's just coming back a little bit from his weekend soreness and stuff and from the lifting," Marrone said.

With Williams and Dareus out, the Bills turned to Jarius Wynn and Corbin Bryant as part of their first-team defense. Rookie Preston Brown, a third-round pick, replaced Spikes.

The Bills also made two changes in their first-team secondary, with Jonathan Meeks replacing Duke Williams at safety, as well as Mario Butler replacing Corey Graham (opposite Ron Brooks) at cornerback. Graham came on the field as the nickel-back during team drills.

Wide receiver Sammy Watkins returned to practice after missing two sessions last week for the NFLPA's rookie premiere in Los Angeles.

Cornerback Darius Robinson (arm) remained out of practice, while running backs Bryce Brown and Ronnie Wingo, guard J.J. Unga, and wide receiver Marcus Easley continued to rehab from injuries.

Defensive tackle Alan Branch and defensive end Manny Lawson remained out of OTAs, which are voluntary. Marrone said he hasn't had contact with either veteran.