The Carolina Panthers are abandoning their concept of rotating running backs.

The Panthers have invested a combined $79.5 million in their tandem of DeAngelo Williams and Jonathan Stewart.

Ron Rivera wants "find one guy, develop a rhythm and if he gets hot, ride him" against Chicago on Sunday.

"I want to see one guy pound and get a rhythm and then he gets tired and the other guy comes in," Rivera said. "To me it's hard for a back to get a rhythm when you're coming out every other play."