New England Patriots running backs Rex Burkhead (34) back Dion Lewis (33) warm up during an NFL football practice, Wednesday, Jan. 17, 2018, at Gillette Stadium, in Foxborough, Mass. (AP Photo/Ste …

New England Patriots running backs Rex Burkhead (34) back Dion Lewis (33) warm up during an NFL football practice, Wednesday, Jan. 17, 2018, at Gillette Stadium, in Foxborough, Mass. (AP Photo/Steven Senne)