Vikings Camp Three-cap Day 2: McKinnon: 'Pop Back in my Step'

MANKATO, Minn. — Micro lakes of sweat collected on Jerick McKinnon’s brow and cheeks — after the Vikings walk-through Monday morning.Nicknamed “Jet” for his speed, McKinnon goes full-throttle and spent the offseason working to be able to do so again after missing the final five games of the season because of a back injury. There were workouts in California as a guest of Kyle Rudolph this spring and then in Houston with Adrian Peterson, whose workouts have a reputation for their difficulty.

View Gallery | 54 Photos Photos: Training Camp Practice, July 27“I focused on explosiveness. I got to work out with AP, and a lot of his stuff is explosive-type stuff,” McKinnon said. “I got to work on…