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NAPA -- Raiders offensive lineman Menelik Watson practiced for the first time this training camp on Wednesday afternoon.
His return, it seems, was short-lived. Watson screamed in frustration during individual drills, punched a wall and was escorted back into the locker room.
The second-round draft pick out of Florida State spent the early portion on the active non-football injury list with an undisclosed injury suffered just before training camp.
Watson was expected to challenge starting right tackle Khalif Barnes for first-team reps, but his absence has set him behind.
If Watson in fact suffered an injury setback, that prospect becomes more remote.
Veteran Alex Barron is currently the first tackle off the bench.