Marquez owns the lone victory, beating Pacquiao in a knockout on Dec. 12, 2012. Here are the complete results of Mayweather and Pacquiao’s bouts against common opponents.
MORE: Time, date and odds | Ticket prices | How to watch the fight | History at MGM Grand
Mayweather and Pacquiao’s records against common opponents
Floyd Mayweather (47-0, 26 KO, 5-0 vs. common opponents)
Oscar De La Hoya — May 5, 2007: Mayweather wins in 12 rounds by SD
Site: MGM Grand
Referee: Kenny Bayless
Judges: Chuck Giampa (116-112), Jerry Roth (115-113), Tom Kaczmarek (113-115)
Ricky Hatton — Dec. 8, 2007: Mayweather wins in 10 rounds by TKO
Site: MGM Grand
Referee: Joe Cortez
Judges: Paul Smith (88-82), Dave Moretti (89-81), Burt A. Clements (89-81)
Juan Manuel Marquez — Sept. 19, 2009: Mayweather wins in 12 rounds by UD
Site: MGM Grand
Referee: Tony Weeks
Judges: Burt A. Clements (120-107), Dave Moretti (119-108), Bill Lerch (118-109)
Shane Mosley — May 1, 2010: Mayweather wins in 12 rounds by UD
Site: MGM Grand
Referee: Kenny Bayless
Judges: Dave Moretti (119-109), Robert Hoyle (118-110), Adalaide Byrd (119-109)
Miguel Cotto — May 5, 2012: Mayweather wins in 12 rounds by UD
Site: MGM Grand
Referee: Tony Weeks
Judges: Robert Hoyle (118-110), Patricia Morse Jarman (117-111), Dave Moretti (117-111)
MORE: Mayweather’s best fights | Pacquiao’s best fights | News conference recap
Manny Pacquiao (57-5-2, 38 KO, 6-1-1 vs. common opponents)
Juan Manuel Marquez — May 8, 2004: Pacquiao draws in 12 rounds by SD
Site: MGM Grand
Referee: Joe Cortez
Judges: John Stewart (115-110), Burt A. Clements (113-113), Guy Jutras (110-115)
Juan Manuel Marquez — March 15, 2008: Pacquiao wins in 12 rounds by SD
Site: Mandalay Bay
Referee: Kenny Bayless
Judges: Duane Ford (115-112), Jerry Roth (112-115), Tom Miller (114-113)
Oscar De La Hoya — Dec. 6, 2008: Pacquiao wins in eight rounds by RTD
Site: MGM Grand
Referee: Tony Weeks
Judges: Dave Moretti (80-71), Adalaide Byrd (80-72), Stanley Christodoulou (79-72)
Ricky Hatton — May 2, 2009: Pacquiao wins in two rounds by KO
Site: MGM Grand
Referee: Kenny Bayless
Judges: Michael Pernick (10-7), C.J. Ross (10-7), Glenn Towbridge (10-7)
Miguel Cotto — Nov. 14, 2009: Pacquiao wins in 12 rounds by TKO
Site: MGM Grand
Referee: Kenny Bayless
Judges: Adalaide Byrd (109-99), Duane Ford (108-99), Dave Moretti (108-100)
Shane Mosley — May 7, 2011: Pacquiao wins in 12 rounds by UD
Site: MGM Grand
Referee: Kenny Bayless
Judges: Duane Ford (120-107), Dave Moretti (120-108), Glenn Towbridge (119-108)
Juan Manuel Marquez — Nov. 12, 2011: Pacquiao wins in 12 rounds by UD
Site: MGM Grand
Referee: Tony Weeks
Judges: Dave Moretti (115-113), Robert Hoyle (114-114), Glenn Towbridge (116-112)
Juan Manuel Marquez — Dec. 8, 2012: Marquez wins in six rounds by KO
Site: MGM Grand
Referee: Kenny Bayless
Judges: Adalaide Byrd (47-46), Steve Weisfeld (47-46), John Keane (47-46)