"Tony Sparano's return to Valley Ranch makes so much sense that Jerry Jones needs to offer as many dollars as necessary to make it happen.

Maybe that won't matter, as Sparano has financial security from the contract extension the Dolphins gave him through 2013 before deciding to fire him as their head coach in December. Maybe Sparano will be offered a true offensive coordinator job with play-calling responsibilities, which Jason Garrett will not give up, that he considers too good to pass up.

But Jerry has to give it his best shot if he really wants Garrett to succeed.

Jones has proven in the past that he's willing to pay top dollar for assistant coaches, compensating Garrett like a head coach to keep him on Wade Phillips' staff and making Hudson Houck the NFL's first million-dollar offensive line coach. Sparano, a key factor in helping Bill Parcells rebuild the Cowboys' respectability last decade, justifies that kind of offer. "