Donnie Nietes

As of October 2019, Nietes is ranked as the world's third best active junior-bantamweight by The Ring and Transnational Boxing Rankings Board, and fourth by BoxRec.

After breaking Elorde's record, Nietes successfully defended his title four more times before deciding to move up to the flyweight division. His first flyweight fight was against former WBC light flyweight champion Edgar Sosa on September 24, 2016. On April 29, 2017, Nietes became the third Filipino boxer to win world titles in three different weight divisions, along with Manny Pacquiao and Nonito Donaire when he defeated Thailand's Komgrich Nantapech. He successfully defended his title against the mandatory challenger Argentinaian and former two division world champion Juan Carlos Reveco winning via Technical Knockout after Reveco's corner throws in the towel, on the 7th round of the fight. On June 14, 2018, Nietes entered The Ring magazine's pound for pound list for the first time in his career at the number nine spot.

On November 15, 2014, the Bacolod native successfully defended his WBO and The Ring Light Flyweight titles by stopping Carlos Velarde of Mexico in the 7th round. Nietes became the longest-reigning Filipino world champion on that same day, surpassing the record previously held by Gabriel Elorde.

Nietes retained his WBO Light Flyweight title against WBO Minimumweight champion Moises Fuentes on March 2, 2013 via a majority draw.

Three times, Nietes has been pitted with fighters against whom he was supposed to defend his title, however, all plans have fallen through for undisclosed reasons. Because of this, he was at risk of being stripped off his belt, as WBO rules state that a champion has to defend his title within a year. After 11 months of inactivity, he finally defended his crown, against Eddy Castro (12-3-1) on August 30, 2008. Nietes (23-1-3, with 14 knockouts) won the fight by technical knockout at 2:49 mark of the second round.

On November 24, 2011, Nietes won the vacant WBO Asia Pacific Minimumweight Title against Heri Amol of Indonesia via second-round knockout. He defended the title twice against Thai boxers Thongthailek Sor Tanapinyo and Sakulpan Pakdee Gym prior to world title fights in minimumweight division.

On October 8, 2011, Nietes defeated Mexico's Ramón García Hirales via 12-round unanimous decision to win the WBO Light Flyweight title. Nietes defended the title on June 2, 2012 against Felipe Salguero via unanimous decision.

On January 23, 2010, Nietes was supposed to defend his WBO title for the fourth time. After a couple of opponents backed out, Mexico's Jesus Silvestre became the last resort. But because Silvestre wasn't ranked in the WBO, Nietes' title wasn't wagered and the bout was only 10 rounds. In the fight, both boxers did well and appeared strong. In the 10th and final round, Nietes was declared winner by TKO when Silvestre stopped to take a drink of water during the fight, a move that was against the rules.

In his fourth title defense, Nietes fought Mexico's Mario Rodriguez. The fight took place on August 14, 2010, at the Auditorio Luis Estrada Medina in Guasave, Sinaloa, Mexico. The Filipino pugilist won the bout by unanimous decision with scores of 119-109, 118-110 and 116-112.

Nietes defended his title for the second time by scoring a unanimous decision victory over Erik Ramirez on February 28, 2009. En route to the win, Nietes sent Ramirez to the canvass four times in separate rounds.

In his third defense, Nietes battled interim champion Manuel Vargas on September 12, 2009. Nietes won the bout by split decision.

On September 30, 2007, Nietes fought then undefeated Pornsawarn Kratingdaenggym of Thailand for the vacant WBO Minimumweight World Title in Waterfront-Cebu City Hotel, Cebu City, Philippines. Although Nietes floored Kratingdaenggym in the fourth round, the Thai boxer managed to get up at the final bell. The bout ended in a unanimous decision in favor of Nietes.

In 2003, at the age of 20, Nietes started his career as a professional boxer. On, May 22, 2004, he won the Philippines Boxing Federation (PBF) light flyweight title against Joseph Villasis via first-round technical knockout. Nietes was undefeated before losing in his bout against Angky Angkota via 10-round split decision on September 28, 2004. Angkota weighed in six pounds over the weight limit for this fight.

Donnie Liboon Nietes (born May 12, 1982) is a Filipino professional boxer. He is a world champion in four weight-classes, having previously held the WBO mini-flyweight title from 2007 to 2011; the WBO and The Ring magazine junior-flyweight titles between 2011 and 2016; IBF flyweight title from 2017 to 2018; and the WBO junior-bantamweight title from 2018 to 2019. He is the longest-reigning Filipino boxing world champion, surpassing in 2014 the record set in 1967 by Boxing Hall of Fame inductee Gabriel "Flash" Elorde. He was one of the first three Asian fighters with world titles in at least four weight classes alongside fellow Filipinos Manny Pacquiao and Nonito Donaire.

Nietes was scheduled to defend his title on March 12, 2011, against mandatory challenger and former champion Raul Garcia (29-1-0). However, less than two weeks before the fight, Nietes announced that he would be vacating his world title and moving up in weight. 0n April 9, 2011, Nietes faced Armando Vazquez (18-5-0) and defeated him via first round knock out.