2% max recommended unless otherwise noted. 1% max recommended for soccer.
Underdogs of 4 or more since 2010 with a good career passer-rated QB:
Philly 2018: covered & won
Denver 2016: covered & won
Ravens 2012: covered & won
Saints 2010: covered & won
Cardinals 2009: covered
Giants 2008: covered & won
Six straight covers, and five straight up wins.
Total of less than 50 since 2009 w/ two good passer rated QBs that season:
Philly-New England OVER 49
New England-Seattle OVER 48
Seattle-Denver OVER 47 1/2
Baltimore-San Francisco OVER 48
Green Bay-Pittsburgh OVER 45
Pittsburgh-Arizona OVER 46
Six straight covers. 12-0 spread record history to favor the Bengals & over.