|Date||May 7, 2011|
|Location||MGM Grand, Paradise, Nevada|
|Title(s) on the line||WBO Welterweight Championship|
|Manny Pacquiao vs. Shane Mosley|
|Tale of the tape|
|Sarangani, Philippines||From||Pomona, California|
|52–3–2 (38 KO)||Pre-fight record||46–6–1 (39 KO)|
|5 feet, 6.5 inches||Height||5 feet, 9 inches|
|145 lb||Weight||147 lb|
|Eight-division World Champion / Current WBO Welterweight Champion||Recognition||Three-division World Champion|
|Result||Pacquiao via unanimous decision|
Manny Pacquiao vs. Shane Mosley was a welterweight fight for the WBO Welterweight championship. The bout was held on May 7, 2011, at MGM Grand, in Las Vegas. Pacquiao defeated Mosley by unanimous decision and retained his WBO Welterweight Championship.
National Anthem singers 
- Philippines (Lupang Hinirang) – Charice
- USA (The Star-Spangled Banner) – Tyrese Gibson
- USA (America the Beautiful) – Jamie Foxx
Entrance performers 
Referee and judges 
The referee for the fight was Kenny Bayless, and the judges were Nevadans Duane Ford, Dave Moretti, and Glen Trowbridge. Bayless had previously been referee for fights involving Pacquiao and Mosley before, including the Floyd Mayweather vs. Shane Mosley and Manny Pacquiao vs. Miguel Cotto fights.
Top Rank promoted the fight, which took place at the MGM Grand in Las Vegas. Pacquiao's team turned down a fight with Mosley twice a year before, but they accepted the fight after Mosley had a lopsided loss to Floyd Mayweather Jr. and a draw to Sergio Mora. A Showtime series, Fight Camp 360°, documented Pacquiao's and Mosley's training preparations in the lead up to their bout. Shane Mosley stated that if he lost badly to Pacquiao he may retire. Pacquiao was heavily favored to win, as many fans and critics believed the 39-year-old Mosley was past his prime. Pacquiao's promoter Bob Arum stated that should Pacquiao win, it could set up a third fight with Juan Manuel Marquez in November.
Fight summary 
In the third round, Pacquiao knocked Mosley down, using a one-two capped with a left straight. Mosley was left dazed by the knockdown but managed to stand up. From that point on, Mosley backpedaled and seemed very reluctant to engage Pacquiao, throwing few combinations, trying to potshot with occasional counter right hands, and looking for one big punch. Mosley floored Pacquiao in the tenth round with a push, but referee Kenny Bayless ruled it a knockdown. None of the judges seemed to have agreed with this view, judging from the scores. Replays showed that Pacquiao was throwing a punch off balance, slipped and went down with a little help from Mosley's right hand and with his right foot trapped under Mosley's left foot. Bayless apologized for this mistake to Roach, Pacquiao's coach, after the fight. Pacquiao gained one-sided verdicts from all three judges – 119–108, 120–108 and 120–107. Pacquiao reported that he had a cramp in his legs. Freddie Roach said that Pacquiao had problems with cramping before, but usually only in training sessions and not in the middle of bouts.
Main card 
- Pacquiao defeated Mosley via unanimous decision (119–108, 120–108, 120–107).
- Arce defeated Vázquez via technical knockout at 0:55 in the twelfth round.
- Pavlik defeated López via majority decision (95–95, 98–92, 99–91).
- Alvarado defeated Narh via technical knockout at 3:00 in the third round.
Preliminary card 
- Light Welterweight bout: José Benavidez vs. James Hope
- Benavidez defeated Hope via technical knockout at 1:43 in the fifth round.
- Lightweight bout: Aris Ambríz vs. Pier Olivier Cote
- Cote defeated Ambríz via technical knockout at 0:46 in the fourth round.
- Mayol defeated Gallo via majority decision (95–95, 98–92, 98–92).
- Light Welterweight bout: Karl Dargan vs. Randy Arrellin
- Dargan defeated Arrellin via unanimous decision (60–54, 60–54, 59–55).
Reported fight earnings 
The fight generated 1.34 million PPV buys. These are the payouts to the fighters as reported to the executive director of the Nevada State Athletic Commission Keith Kizer. These are the official purses as per the Nevada bout agreements, It does not include sponsor money or other common forms of revenue paid through other streams. Pacquiao's official purse on the Nevada contract is six million, Top Rank has guaranteed Manny twenty million, because of PPV. According to fight promoter Bob Arum, Manny Pacquiao may earn US$30 million. Mosley's official purse on the Nevada contract is $3.95 million but he is guaranteed five million.
- Manny Pacquiao $20,000,000 vs. Shane Mosley ($3,950,000)
- Jorge Arce $125,000 vs. Wilfredo Vázquez, Jr. ($165,000)
- Alfonso López III $40,000 vs. Kelly Pavlik ($270,000)
- Mike Alvarado $50,000 vs. Raymond Narh ($22,000)
International broadcasting 
- Seckbach, Elie (2011-05-03). "Watch Pacquiao vs Mosley Online". Esnewsreporting.com. Retrieved 2011-05-09.
- "News - Manny Pacquiao vs. Shane Mosley: Same Fight, Different Opponent". Max Boxing. Retrieved 2011-05-09.
- "Main Lead - Mosley Survives Pacquiao in an Unsatisfying Unanimous Decision". Max Boxing. 2011-04-30. Retrieved 2011-05-09.
- "WBO Announces Referees and Judges for Pacquiao-Mosley and Vázquez Jr.-Arce". Boxing News 24. 3 May 2011. Retrieved 8 May 2011.
- "Kenny Bayless - Referee". BoxRec. 2011. Retrieved 8 May 2011.
- "Fight Camp 360°: Pacquiao vs. Mosley, Full Schedule, 4 Part Series on CBS & Showtime". BoxingInsider.com. 2011-03-29. Retrieved 2011-05-09.
- "Woods-Shane Mosley Admits That Retirement Might Be Option If He Loses In A Bad Way To Pacquiao". Thesweetscience.com. 2011-04-26. Retrieved 2011-05-09.
- By Tim Dahlberg, AP Boxing Writer May 8, 2:02 am EDT (2011-05-04). "Pacquiao wins unanimous decision over Mosley". Sports.yahoo.com. Retrieved 2011-05-09.
- "Manny Pacquiao vs. Juan Manuel Marquez Trilogy Planned for November". Bleacher Report. 2011-02-13. Retrieved 2011-05-09.
- Nelson, Peter (8 May 2011). "Pacquiao's training barely tested by Mosley". ESPN. Retrieved 8 May 2011.
- "Pacquiao beats Mosley to retain WBO crown". Inquirer.net. May 8, 2011. Retrieved 2011-05-08.
- "Cramps prevented Pacquiao from scoring KO". Inquirer.net. May 8, 2011. Retrieved 2011-05-08.
- "Pacquiao vs. Mosley: Pacman Set to Rake in Massive Purse for Mosley Bout". Bleacher Report. Retrieved 2011-05-09.
- Herron, Matt (2011-05-05). "Purse Info For Manny Pacquiao vs. Shane Mosley". Bloody Elbow. Retrieved 2011-05-09.
vs. Sergio Mora
|Shane Mosley's bouts
May 7, 2011
vs. Saul Alvarez
vs. Antonio Margarito
|Manny Pacquiao's bouts
May 7, 2011
vs. Juan Manuel Marquez III
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