Miller suffered the injury during the Saturday night's preseason game against the Dallas Cowboys. Arlington, Texas.
On first down, Miller was tackled by Cowboys tackle Maliek Collins, who hit him just above the left knee. Miller, 28, grabbed his left leg and was checked out by the medical staff. He's just an awesome guy in the locker room, "Texans coach Bill O'Brien said
Miller has been the Texans' lead back since 201
Houston traded Duke Johnson earlier in the month but hoping to feature both backs in his offense. Miller was replaced in Saturday's game by Taiwan Jones.
ESPN's Sarah Barshop contributed to this report.