Though the Raiders could be tempted to move Adams back to safety following Johnson's injury, it would be a bad idea. Firstly, Adams is thriving at linebacker, and defensive coordinator Patrick Graham has been pleased with his acclimation. Secondly, the aging defender no longer possesses the athleticism required to play a coverage role at safety.

The safety had his lower right leg rolled up on during the first half of a mock game at Allegiant Stadium on Saturday and is feared to have suffered a major injury.

The Las Vegas Raiders’ ballyhooed secondary is suddenly in flux. Safety LonnieJohnson Jr. is out for the season with a broken fibula suffered duringSaturday’s practice at Allegiant Stadium. While Johnson,