LAS VEGAS—It was 96 degrees by the time practice got rolling here, just after 7:30 a.m. PT. I survived, and now have five observations from Raiders camp …
• It’s fair to say that the Raiders’ scouting on first pick overall Fernando Mendoza has checked out—he’s living in the building as a tireless, football-obsessed worker. For now, he’s working chiefly with the second team, but he has a shot to earn first-team reps over the next couple weeks. And the on-field trait he has flashed early—which he brought with him from college—is one I heard referred to as “proprioceptive feel” (yes, I had to look up the spelling).