Keenum, a second-year player who went undrafted, completed 15 of 25 passes for 271 yards and a touchdown in his first career start in the Texans 17-16 loss to Kansas City Chiefs in Week 7.
Before the Texans' bye week, Kubiak said that Schaub was the team's the starting quarterback. He quickly backed off those statements by saying the team would evaluate both quarterbacks during the bye week.
“Case will start this week," Kubiak said. "Actually, I talked to Case and Matt (Schaub), I think, Tuesday before I gave them their break and talked to the team this morning.
"But Case will start and hopefully we’ll grow from last week. I thought he did some really good things. I thought we played some clean football and we’re going to have to do that here down the road to improve. That’s the way we started working today.”
Kubiak said the decision to replace Schaub was based on Keenum's performance.
"Matt's health is fine," he said. "It's a decision based on what I saw take place this week with Case."