The term BOXER OFFICIAL is composed of four crossword solutions: ALI (3 letters), BAER (4 letters), SEN (3 letters), and SENATOR (7 letters). Muhammad Ali, also known as Cassius Clay, was a three-time world heavyweight boxing champion and one of the most famous athletes of the 20th century. Max BAER was a heavyweight champion in the 1930s who was known for his powerful punches and colorful personality. Manny Pacquiao, also known as 'Pac-Man' or 'The Destroyer, ' is a Filipino professional boxer and politician who has held multiple world titles in eight different weight classes. Finally, SENATOR John McCain was an American politician and war veteran who served as a United States SENATOR from Arizona from 1987 until his death in 2018.