For 31 years, Pregame GM of Picks Marco D'Angelo has had a front row seat to NFL motivational trends.  That has proven to be never more important than in the final two weekends of the NFL regular season when teams that have already clinched, teams that have already been eliminated, and teams in must-win situations, both controlling their own destiny and not, all appear on the betting slate.  Host Gill Alexander gets the key handicapping angles from Marco, on Monday's Betting Dork (December 20, 2010).