John Riel Casimero (born February 13, 1990) is a Filipino profe...
wikipedia - 07 Jun 2022John Riel Casimero (born February 13, 1990) is a Filipino professional boxer. He is a three-weight world champion, having held the WBO bantamweight title since 2019, and previously the IBF junior-flyweight title from 2012 to 2013 and the IBF flyweight title in 2016. He also held the WBO interim junior-flyweight title from 2009 to 2010 and the WBO interim bantamweight title in 2019. Quadro Alas is Tagalog for four of a kind when translated, his moniker means Four Aces.