Rapoport: Arians tells reporters David Johnson’s initial prognosis is the same as TJ Logan… who is out 12 weeks.
Caplan: Game changer for Cardinals if he does go on IR. Kerywnn Williams actually did well in 2014 with Cards for 3 game heavy workload.
Related players: Andre Ellington
If the Cardinals do sign Chris Johnson, this will likely turn into a committee with Williams and Johnson vying for carries and Ellington handling David Johnson's duties in the passing game. From a clarity standpoint, it's not easy to pick one to target in waivers, though at this point Williams probably has the most value in standard formats while Ellington is an intriguing pickup in PPR leagues.