Trojans were 10-3 ats year before that, there is a reason for it, coach Pete is spread conscious, and Trojans are underrated. As good as people think they might be, they are even better.
Not to mention public teams tend to get the money in college football, see 80's Cains and early 90's Seminoles. Championship teams, which this Trojan teams is are always above 500 ats.