Seahawks RB J.D. McKissic suffered a Jones Fracture in his foot in practice, ESPN's Adam Schefter reports. Schefter adds that McKissic is expected to be sidelined 4-6 weeks, but we've seen this injury cause long-term complications. McKissic was battling C.J. Prosise for a pass-catching role in Seattle's backfield but obviously won't be an early-season factor now.