Known for his savage, brawling style and immense punching power, he became a national hero in Panama.
The movie chronicles Durán's rise, his rivalry with Sugar Ray Leonard, and his relationship with legendary trainer Ray Arcel.
His professional career spanned five decades, from 1968 to 2001, during which he fought 119 times.
Roberto Durán rose from extreme poverty in Panama to become a world champion in four different weight classes: lightweight, welterweight, light middleweight, and middleweight.
One of his greatest triumphs was defeating an undefeated Sugar Ray Leonard in 1980 to win the welterweight title.