Adrian Peterson returns to a Vikings offense vastly different than the one he left. Will it work?

When the air horn sounded Wednesday afternoon, signaling the start of the first Vikings practice of the week, Adrian Peterson reclaimed his old spot at the front of the team stretch and helped lead his limber teammates.

Individual drills soon started, with Peterson standing behind fellow running backs Jerick McKinnon and Matt Asiata in the handoff line. Moments later, he snagged a few passes out of the backfield, once turning upfield on a wheel route. Then it was time to tiptoe through some orange cones. All the while, he wore a bulky brace on his surgically repaired right knee.

Peterson participated in his first practice since tearing his meniscus on Sept. 18 against Green Bay. He was placed…