Browns tight end Kellen Winslow isn’t present for voluntary workouts, and the team doesn’t know where he is.

On Wednesday, coach Romeo Crennel said that the team hasn’t heard from Winslow, and that the team doesn’t know why he’s not attending.

Meanwhile, agent Drew Rosenhaus downplays Winslow’s absence in a SprintTV posting.  Rosenhaus says that Winslow is rehabbing his knee, which was the subject of yet another surgery in the offseason.  Rosenhaus also explains that Winslow, who has made no secret of his desire for a new contract, will attending all mandatory activities.

“[T]here shouldn’t be so much scrutiny on players that choose to work out on their own,” Rosenhaus says.  The full clip appears below.