When you are a 9.5-point underdog to one of the three undefeated teams in the nation that is 19-0 and ranked #2, there is nothing wrong with a single digit loss. I don't care if it is in the 20th year of a coach's career. Vegas doesn't just pull their numbers out of a hat, Chris.
Which means we'd be a 17.5-19.5 point dog in their building.
Add to that they don't play a fast pace and their zone slows down opponents' offenses. Big spreads against teams like this are not that usual for conference games against even mediocre teams.