Mac Lee Green (born 1948) is a Canadian former professional boxer who competed during the 1970s until an unknown time. He competed in the Heavyweight Division and was nicknamed "The Ultimate Psycho, Mac Lee Green". He is a playable character in Rocky (video game).
In 1976 (Rocky), Mac Lee Green was the number-one contender for Apollo Creed's Heavyweight Championship. Green was scheduled to challenge for the championship on January 1st, 1976! Creed was hyping the fight up for many months and getting the fans excited for this huge clash to kick off the new year. Unfortunately for Green, he suffered a cracked metacarpal in his left hand only two weeks out from the fight. Green was forced to withdraw from the fight, leaving Creed a short amount of time to find a new opponent. Creed eventually selected an unknown fighter by the name of Rocky Balboa. In 1982, (Rocky III) Green challenged the man that would defeat Apollo Creed, Rocky Balboa for the Heavyweight Championship, Green was knocked out in the sixth round. 
Mac Lee Green (born 1948) was born and raised in Toronto, Canada. He won a gold medal for his home country and would compete in the Heavyweight Division for several years but was never able to capture the Heavyweight Championship. in 1976, Green reached number-one contender status and was rewarded with a Heavyweight Championship fight against then-champion, Apollo Creed. Green trained for several months, preparing for the fight that would be taking place on January 1st, 1976! Unfortunately for Green, he suffered a cracked metacarpal in his left hand only two weeks out from the fight, forcing him to withdraw. Green was able to work his way back to a Championship fight when he challenged Rocky Balboa for the Heavyweight Championship in 1982. Green was knocked out in the sixth round.
During his prime, Green was described as Canada's sharpest fighter. He built his reputation on his no-nonsense; get the job done, boxing style. He would use a head-on approach; if he could get on the inside and dig away, he would! Green was like a pitbull and carried a heavy punch! 
- Green's injury was arguably the catalyst for Rocky Balboa's career and the entire Rocky franchise, as it led to Rocky being hand-picked to fight Apollo Creed.