IMO roster locks:
Coleman
Samuel
Shakir
MVS
Hollins
Claypool has the ability to get himself on the field as a starter if he works for it with the right attitude.
In that scenario, maybe he alternates with Keon on the boundary.
Or they both play outside with Samuel, Shakir, MVS moving around inside as well
I also think at the present, the depth won't be as much of a factor as previous years. Unless we trade for someone next week,
I think the top 5 WR's will each get a fair amount of playing time