It's not too soon to start thinking about Manny Pacquiao vs Floyd Mayweather Fight odds even if they have yet to be posted.  The odds are good that this could happen and Mayweather may actually find himself in uncharted territory....as the underdog.

Initial odds on November 19 opened with Pacquiao as a small underdog at Sportsbook.com  but that could soon change once action starts rolling in.

Freddie Roach has said of the potential for this fight: "I think it will get done. I mean where is Mayweather going to go? What's he going to do, fight the winner of Berto vs Mosley? He doesn't want that either, he wants to make money also, and so does Manny Pacquiao. We will offer him a 60/40 split."

Prior to the Pacquiao/Cotto fight Saturday night, Mayweather wanted the 60/40 split going his way.

Odds on a Manny Pacquiao vs. Floyd Mayweather fight should prove more competitive than Pacquiao vs. Cotto where Pacquiao hovered around a -275 to -300 favorite.

"Manny Pacquiao will likely be closer to -150 to -200," said Don Shapiro of Gambling911.com. 

Indeed it was the other way around as Mayweather Jr  opened as the -145 favorite and 

With Saturday night's victory, Pacquiao took the WBO welterweight title, his seventh world championship, and became the first boxer in history to win seven world titles in seven different weight divisions 

After the fight, promoter Bob Arum stated that: "Pacquiao is the greatest boxer I've ever seen, and I've seen them all, including Ali, Hagler and Sugar Ray Leonard."

For the online sportsbooks industry, this was the most bet on fight of the year thus far.

"Search traffic was very good," said Gambling911.com Senior Editor, Payton O'Brien.  "Pacquiao vs. Mayweather would be greater and Gambling911.com will be the first site to notify its readers as soon as odds are available, assuming of course that fight goes off."

Christopher Costigan, Gambling911.com Publisher