​Houston Texans RB David Montgomery (groin) did not practice Thursday, Oct. 15, and has been ruled out for the Week 6 game against the Jacksonville Jaguars.SOURCE: HoustonTexans.comWhy it Matters: With Montgomery already ruled out, Woody Marks should lead the Houston backfield in Week 6. He should see enough touches to be a solid RB3 or flex option.This article originally appeared on USA TODAY: David Montgomery ruled out for Week 6