By Lem Satterfield

The departure of the mega-bout featuring Manny Pacquiao from HBO to CBS-Showtime pay per view for a May 7 defense of his WBO welterweight belt against three-division, five-time titlist Shane Mosley, does not concern HBO's President of Sports Ross Greenburg. Long-time staples on HBO, the 32-year-old southpaw Pacquiao (52-3-2, 38 knockouts) and the 39-year-old Mosley (46-6-1, 39 KOs) will clash at the MGM Grand in Las Vegas in the first-ever appearance on Showtime for both fighters in a move by Top Rank Promotions' CEO, Bob Arum.

Pacquiao's adviser, Michael Koncz, acknowledged a big advantage presented by Showtime's ability to televise a multi-part series that is equivalent to HBO's 24/7 -- on CBS prime time. There is also CBS's ability to reach 115 million homes compared to HBO's 28 million homes.

"This is a one-fight deal. We'll just wait and see what happens after this fight. It's more a matter of us having established over 35 years as a brand at HBO boxing -- and I've been a part of it for 32 of those 35 years. This is not going to upset our position as the pre-imenant boxing network," said Greenburg.

"That's what we pride ourselves on, and we'll continue to look for the best fighters in the world. And if they're in the same division, then we'll match them up. That's what the public expects us to do, and that's what we'll continue to do."

Lem Satterfield is the boxing editor at AOL FanHouse and the news editor at BoxingScene.com. To read more from Lem Satterfield, go to AOL FanHouse by Clicking Here .