Mark Walton will take over as Miami’s lead back with Kenyan Drake traded to the Cardinals.
Walton was already starting over Drake, but he had been in a near-even timeshare, playing 52 percent of snaps last week. He’s now headed for a full-time role, with a plodding Kalen Ballage mixing in on short-yardage and red-zone situations. Drake’s departure is a boost to Walton’s ROS outlook. The Dolphins gamescripts will always be against Walton, but he should have RB3 value down the stretch.