According to oddsmakers, Floyd Mayweather and Manny Pacquiao are evenly matched., one of the leading on-line betting stations, has installed Mayweather a – 130 favorite, meaning a bettor has to come up with a wager of $130 to win $100.

Pacquiao, on the other hand, is listed as even money.

Pacquiao and Mayweather’s promoters are working hard the last few days so a venue can be named so it could host the March 13, 2010 super showdown at welterweight.

Leading the growing list of candidates is the MGM Grand in Las Vegas, while attempting to secure the right to the fight are the Cowboys Stadium in Dallas as well as venues in Los Angeles, Miami and Atlanta.

Top Rank chief Bob Arum is set to announce this coming week which city will stage the World Boxing Organization 147-pound title fight.

Top Rank and Golden Boy Promotions, which Mayweather tapped to represent him in the negotiations, are co-promoting the fight although it is Top Rank that is the lead organizer.

Meanwhile, preparations are underway for the celebration of Pacquiao’s 31st birthday on December 17.

Bren Evangelio, Pacquiao’s administrative assistant, said personalities from the world of politics, showbiz and sports are expected to fly to General Santos City.

“Presidentiables, senators, and congressman are among those who have confirmed their attendance,” said Evangelio.

The KCC Mall, which also hosted Pacquiao’s 30th birthday, will be spruced up once again for the deluge of big shots.

Miguel Cotto, the Puerto Rican fighter Pacquiao beat last November 14, has also been invited to come.