Weight class (boxing) names of the new divisions are not standardized between different sanctioning bodies, although the cutoff weights are. These weights are specified in pounds, reflecting the historic dominance of Britain (and, later, America) in the sport. A nonstandard weight limit is called a "catchweight". A catchweight may be agreed to for an individual bout—sometimes even for a championship bout—but championships are awarded only at the standard weight classes. For example, when Manny Pacquiao fought Antonio Margarito at a catch-weight of 150 pounds, the World Boxing Council sanctioned this as a title fight for jr. middleweight, whose limit is 154 pounds. This
IWA Undisputed World Heavyweight Championship Heavyweight Championship. On March 1, 2012, the challenge was accepted by Pérez and Rondón in a backstage segment. At Clash of the Titans, Bonecrusher defeated Cotto, becoming Unified Champion. In 2012, IWA folded, so the title was vacated. During the following years, the Undisputed World Heavyweight Championship made appearances in a number of unrelated media. In early 2015, while Vega was part of La Radio PR's "Más Allá del Ring" show, the title made appearances as part of the studio's decore along the Intercontinental and World Tag Team Championships. In autumn, the IWA Undisputed World Heavyweight Championship was taken to