After a lackluster week 3 slate, college football fans are in for a monstrous week 4 slate, featuring the sport's heaviest hitters facing off in games that will have conference title and playoff implications. Tyler Shoemaker and Kelley Ford break down the weekend's biggest matchups from the analytical perspective; from Lane Kiffin's invasion of Tuscaloosa to the Ohio State Buckeyes rolling into South Bend to take on Notre Dame, Florida State visiting Death Valley and Coach Prime's Buffaloes taking on the Oregon Ducks, we've got it all covered here on Calculated Risk: CFB By the Numbers.