Total offensive yardage of both teams combined. Winner gets $25 coupon code for www.moesportshops.com.
1st player to guess a number has "dibs" on that number. Tie goes to lower number. I use mgoblue.com statistics.
Shameless plug - just got in a new shipment of Maize and Blue Detroit Tigers hats as well as Pindot zip hoods which has been my favorite purchase here at Moe's in the last 2 years.