Re: Kareem Jackson's plight.
Collingsworth's comments on Wade's coverage:
"One of the tough part about playing the Cowboys is that very seldom you have one-on-one coverage. It's like they switch coverages where it looks like you'd be running around on one guy and they release you to the next guy and they end up doubling somebody else so you never feel totally comfortable as a QB when you're throwing the ball because you don't know who's going be the guy who's guarding who."
This refers to disguise and pattern matching.
There would be a LB (whether OLB or ILB) guarding the hole or help double teaming a receiver or a TE. They try to take away the throw to the middle part of the field (mainly). That helps the CBs and safeties by lessening their burden on slants and crossing routes. (Not always, but definitely more help than the Texans LBs ever help out on these routes.)