Whittington (ankle) is regarded as day-to-day as of Friday, Aaron Wilson of KPRC 2 Houston reports.
Whittington injured his ankle in Thursday night's 22-20 preseason victory over the Raiders. The running back logged nine carries for 11 yards in the contest, adding two kick returns for 44 yards as well. The undrafted free agent out of Oregon will need to recover quickly to continue making his case for a 53-man roster spot.