What happened: Marks broke multiple tackles on the run against the Raiders. His strength through contact drew attention after the score.
Why it matters: The carry offered a live test of Marks' contact balance before the regular season. Houston can use the remaining preseason schedule to define his early-season workload.
By the numbers: The scoring run accounted for 29% of the opening drive's yardage.
What to watch: Watch Marks' workload and backfield role in Houston's remaining preseason games.