Born in Los Mochis, Sinaloa, Mexico, Beltrán beat the veteran Moises Pérez to win the WBC Continental Americas Super Featherweight Championship in March 2008.

Beltran defeated Ji-Hoon Kim by unanimous decision to retain the NABF lightweight title in December 2012.

WBO Lightweight titleholder Ricky Burns' promoter Eddie Hearn announced a title defence against Beltran at the Scottish Exhibition and Conference Centre on September 7, 2013.

Many observers believed Beltran had clearly won, Burns fought on from as early as the second round with a broken Jaw and the draw was awarded.

[6] In his next fight, Beltran fought Hiroki Okada, then ranked #2 by the WBO, #3 by the WBA, #5 by the IBF and #10 by the WBC at super lightweight.