The first explanation is simple: Western Michigan was just plain good on the ground. They hadn’t planned for many of the sets Western Michigan ran. But the turnover of almost the entire offensive staff at Western Michigan left USC with a problem. Gustin called defending the Broncos “kind of a guessing game.”But it’s also true that Western Michigan used other, more typical formations for most of the game. USC used a nickel defense heavily against Western Michigan, with only two linemen.

Source: Los Angeles Times September 08, 2017 03:11 UTC