The Raiders designated Mayer (personal) to return from the reserve/non-football illness list Tuesday.
Mayer didn't appear in any of Las Vegas' last six games while he was away from the team tending to a personal matter, but he's ready to resume practicing coming out of the Raiders' Week 10 bye. Though he's not returning from an injury, Mayer could need some time to get himself back in football shape following the lengthy layoff, so he may not be a lock to suit up in Sunday's game against the Dolphins. Whenever he's cleared for game action, Mayer will reprise his duties as the Raiders' No. 2 tight end, though that may not lead to much usage behind standout rookie Brock Bowers.