By Mark Vester

How hot is a possible fight between Manny Pacquiao and Floyd Mayweather Jr.? The fight may never happen but casinos in Las Vegas are already taking bets on the fight. According to the AP, Pacquiao opened up as an 8-5 favorite at sports books operated by Station Casinos.

Not only is there a line but people are already placing bets. Several $20,000 bets were put down on Mayweather and that forced the line down to 7-5.