Marco Antonio Barrera is celebrated for his adaptability, transitioning from a relentless brawler early in his career to a more refined, tactical boxer in later years.

His trilogy with Érik Morales is particularly esteemed, with all three fights being action-packed and demonstrating high skill levels, significantly contributing to boxing's popularity during that era.

Barrera's victory over Naseem Hamed is notable for ending Hamed's undefeated streak and showcasing Barrera's technical prowess.

After retiring from professional boxing in 2011, Barrera has remained active in the sport, providing commentary and analysis, and participating in exhibition matches.

WBO Junior Featherweight Champion (1995-1996, 1998-2000)

WBC Featherweight Champion (2002)

The Ring Featherweight Champion (2002-2003)

WBC Junior Lightweight Champion (2004-2007)

IBF Junior Lightweight Champion (2005)

Held multiple world championships in three weight classes between 1995 and 2007.

Vs. Kennedy McKinney (February 3, 1996): Won by TKO in the 12th round, defending the WBO Junior Featherweight title in a bout recognized for its high intensity.

Vs. Érik Morales I (February 19, 2000): Lost by split decision in a fiercely contested fight for the WBC Junior Featherweight title; this bout is often cited among the greatest in boxing history.

Vs. Naseem Hamed (April 7, 2001): Won by unanimous decision, handing Hamed his first professional loss and claiming the IBO Featherweight title.

Vs. Érik Morales II (June 22, 2002): Won by unanimous decision, capturing The Ring and WBC World Featherweight titles, avenging his earlier loss to Morales.

Vs. Manny Pacquiao I (November 15, 2003): Lost by TKO in the 11th round, marking a significant bout in Pacquiao's ascent in the boxing world.

Vs. Érik Morales III (November 27, 2004): Won by majority decision, securing the WBC Junior Lightweight title and concluding their epic trilogy.