Guillermo Rigondeaux vs. Nonito Donaire
2013-04-13 : Nonito Donaire 121½ lbs lost to Guillermo Rigondeaux 121½ lbs by UD in round 12 of 12
- Location: Radio City Music Hall, New York, New York, USA
- Referee: Benjy Esteves Jr.
- Judge: Julie Lederman 111-116
- Judge: Tom Schreck 112-115
- Judge: John Stewart 113-114
- Ring Announcer: Michael Buffer
- Aired On: HBO World Championship Boxing (Main Event)
- World Boxing Organization Super Bantamweight Title (4th defense by Donaire)
- World Boxing Association Super World Super Bantamweight Title (3rd defense by Rigondeaux)
- The Ring Magazine Junior Featherweight Title (Donaire defending)
Guillermo Rigondeaux claimed the WBO and The Ring Magazine titles with a unanimous decision win over Nonito Donaire in the main event of HBO's card at Radio City Music Hall, New York, New York.
A tense few opening rounds saw each man looking for counter-punching opportunities while respecting the power of his opponent. The chess match continued into the middle rounds with Rigondeaux moving around the ring and trying to land his signature straight left hand. The lightning-quick Donaire came forward but struggled to land against his quicker opponent.
Donaire stepped up his aggression in the tenth round and caught Rigondeaux with a straight left hand while in a southpaw stance that put the Cuban on his backside for a one-count.
In the final round, a clean left hand from Rigondeaux injured the right eye of Donaire. He kept the eye covered for the remainder of the round and by the end of the bout it was noticeably swollen and bruised.
- Guillermo Rigondeaux 11-0 (8 KOs) vs. Nonito Donaire 31-1 (20 KOs)
- Donaire entered as the junior featherweight champion and the # 5 pound-for-pound fighter in the world and according to The Ring Magazine. Rigondeaux, a 1.45-to1 betting underdog, was ranked as the # 1 junior featherweight contender.  
- Rigondeaux returned to longtime Cuban amateur trainer Pedro Luis Diaz for the bout.
- It was reported that Donaire earned $1.32 million for the fight, while Rigondeaux made $750,000; a career high to date. 
- It was the second fight of Donaire's professional career in New York City. In his previous appearance in 2011 he scored a unanimous decision over Omar Andres Narvaez (35-0-2).
- ESPN's Dan Rafael scored it 114-113 in favor of Rigondeaux.
- HBO's Harold Lederman scored it 118-109 in favor of Rigondeaux.
- It was the first loss for Donaire in over 12 years.