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Early betting look for Week 5: Why it's time to sell Tennessee

Butch Jones' Tennessee team came back and won on Saturday over Florida, but how good are the Volunteers? AP Photo/Wade Payne

Week 4 of the college football season saw some big comebacks, big upsets, wild finishes and the first two head coach firings of the year. To kick off Week 5, we look at an undefeated team that might be done winning for the year, wonder if Syracuse is the place for the bubble-burst Irish to turn their season around and reveal which rarely-favored expansion team is laying historically huge weight.

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UCF Knights

Scott Frost will probably be tapped to succeed Mark Helfrich at Oregon soon, but in the meantime UCF is enjoying a resurgence after a winless campaign last year. The Knights claimed to have "outhit" Michigan in a 51-14 loss, then backed it up by knocking a dozen Maryland players out of the following week's overtime loss. What followed was a rout of "rival" FIU that led to the first head coach firing of the year. Frost looks like a star in the making -- no surprise given his unique background under Bill Walsh, Tom Osborne and Chip Kelly.