5. The 1973 Ohio State Buckeyes
In most seasons, having a 10-0-1 record would be good enough to win at least a partial national championship. But not in 1973, when six football powerhouses – Notre Dame, Alabama, Ohio State, Michigan, Oklahoma, and Penn State – all entered the bowl season undefeated, with the Fighting Irish and the Crimson Tide squaring off in the Sugar Bowl with the AP national championship on the line.
The 1973 Buckeyes simply rolled through their first nine games, outscoring their opponents by a total of 361 to 33, for an average score of 40 to 4. The defense pitched four shutouts and only once gave up double-digit points (Iowa scored 13 fourth-quarter points in a 55-13 rout). The offense cracked the 50-point barrier on three separate occasions. The closest contests were a pair of 24-point blowouts. Entering the final week of the regular season, this looked like it might be the best Ohio State team of all time, and the...