How does Addazio do as a big underdog

The spread for the BC-Clemson game opened at BC+17.5 and seems to have moved to +18. While big, the point spread is a bit encouraging. It was worse against Clemson just last year. Here are all the times Addazio was a big underdog while at BC and the final results.

2017. +34 at Clemson.
Final Score: Clemson 34, BC 7

2016. +25 vs Louisville.
Final Score: Louisville 52, BC 7

2013. +24 at Clemson.
Final Score: Clemson 24, BC 14

2013. +23 vs Florida State.
Final Score: FSU 48, BC 34

2017. +21 at Louisville.
Final Score: BC 45, Louisville 42

2016. +20 at Florida State.
Final Score: FSU 45, BC 7

2014. +17 vs USC.
Final Score: BC 37, USC 31

2014. +17 at Florida State.
Final Score: FSU 20, BC 17

2015. +17 at Clemson.
Final Score: Clemson 34, BC 17

2016. +17 vs Clemson.
Final Score: Clemson 56, BC 10

2017. +16 vs Virginia Tech.
Final Score: Virginia Tech 21, BC 10

2016. +15 at NC State.
Final Score: BC 21, NC State 14

2016. +15 vs Notre Dame.
Final Score: Notre Dame 19, BC 16

As a two TD or more underdog, Addazio holds his own. Against the spread in these games he is 9-3-1. In true W-L, he is 3-10, which isn't bad for a big underdog.