Stamped on the right side of Derek Wolfe's chest is a tattoo of an exploding hand grenade, with shards splattered near his underarm and shoulder in graphic, but colorful detail.
Wolfe, the Broncos' 6-foot-5, 285-pound defensive end, is a step behind. The eagerness to get back has been building for weeks, leaving him bursting at the seams for his return to the field Sunday. But the ring has yet to be pulled.
"I'm like a caged animal right now," he said. " I'm ready."
In July, the NFL suspended Wolfe for the first four games of the season for violating its performance-enhancing drug policy.