Analysis of information sources in references of the Wikipedia article "Campeão linear" in Portuguese language version.
Pacquiao has won titles as a flyweight (1998), junior featherweight (2001), featherweight (2003, THE RING), junior lightweight (2008), lightweight (2008) and junior welterweight (2009, THE RING), which equals Oscar De La Hoya’s six-division record. And boxing historian Cliff Rold pointed out that Pacquiao is the only fighter in history to win four lineal titles (112 pounds, 126, 130 and 140)
The mission I set out on in the beginning — to become heavyweight champion of the world, undisputed, lineal champion — you could say that mission is complete.