Sadly, it is. Jerry's Nugget was the last place to offer the liberal odds of -110 on a 2-leg 6-point NFL teaser, +180 for three legs, and +300 for four legs. By doing Wong teasers (crossing the 3- and 7-point margins of victory), this was a solid advantage play.
You can find all the current parlay and teasers odds around Vegas at my sports book survey at Wizard of Vegas.com.
For more on football teasers in general, please see my page on Teaser Bets in the NFL.