"Both of those guys did a really good job for us," Kubiak said.
Kubiak expressed hope that Hillman would remain a part of the running back corps, but believes that it will be crucial for Anderson, the Super Bowl 50 starter, to remain injury-free. Anderson played through an ankle injury early last season and struggled in the first six weeks before improving after the bye.
Anderson later pointed to the rest given over the bye as a reason why he displayed better form in November, December and the postseason.
"Keeping C.J. healthy I think is a key moving forward," Kubiak said.
"We've got four good young players, and hopefully Ronnie's still a part of that, and we'll go from there."