In hour 3 of The Drive, Zach and Phil debate what the biggest key to victory is for the Broncos in tomorrow's game against the Bills. Will the Broncos defense be able to contain James Cook and the Bills rushing attack? Who will be the Broncos second most important player on offense behind Bo Nix? Who will be the x-factor for the Broncos? Will Evan Engram finally prove to be worth the contract the Broncos gave him this past off season? We rank the 4 units between the Broncos and Bills offenses and defenses and discuss why the Broncos have the edge in the kicking game. Former Bronco and Super Bowl champion Brandon Marshall joins the show to discuss what tricks Vance Joseph can have up his sleeve for Josh Allen, the rest vs rust debate with the Broncos not having played in 2 weeks, and much more.