Super Bowl XLVIII (Seattle Seahawks +2½ vs Denver Broncos) was the first to top the $100 million mark in amount of bets placed at Nevada sportsbooks. Over $119.4 million was wagered in Super Bowl betting in 2014, a whopping 20.7% year-on-year increase from the handle of 2013 (Baltimore Ravens +4½ vs San Francisco 49ers)…