"He's had some injections to try to alleviate some of the soreness," Kubiak said Sunday. "The way I understand it we're trying to [work through] the injection process."
Kubiak said Foster began getting injections the day before the Texans' first preseason game. As he understands it, those injections have caused some pain in Foster's legs. Asked if there was concern of nerve damage from a back injury, Kubiak said no.
"I'm not there yet because I see him work," Kubiak said when asked if he was worried Foster wouldn't be available Week 1. "I see what he's going through. I am concerned about repetitions. That's just me as a coach. ... We gotta do what we gotta do. We're trying to do the smart thing here."
It's not easy for Kubiak, who only has one healthy running back on his roster with significant NFL experience right now in Ben Tate.
"The running back picture is concerning," Kubiak said.
Foster first injured his calf during organized team activities and just when the injury healed, a back injury kept him on the physically unable to perform list. The Texans will re-evaluate Foster's status on Tuesday.