Dave Boy Green has four losses against four opponents on his boxing record. For a list of Green's best fights, refer to "Best fights of Dave Boy Green".
On November 3, 1981 Dave Boy Green faced off against Reggie Ford at age 28. He was coming in with a record of 37-4 (29). Green lost the fight via 5th-round retirement.
On March 31, 1980 Dave Boy Green fought Sugar Ray Leonard in a welterweight world-title fight for Leonard's WBC and The Ring titles. Green was 26 years old and with a record of 33-3 (26), and Leonard was 23 years old and with a record of 26-0 (17). Green lost the fight via 4th-round KO.
On May 14, 1979 Dave Boy Green faced off against Jørgen Hansen in a welterweight bout at age 25. He was coming in with a record of 31-2 (25). Green lost the fight via 3rd-round KO.
On June 14, 1977 Dave Boy Green fought Carlos Palomino in a welterweight world-title fight for Palomino's WBC and The Ring titles. Green was 24 years old and with a record of 24-1 (19), and Palomino was 27 years old and with a record of 21-1-3 (11). Green lost the fight via 11th-round KO.