Marvin Hagler fought Ray Seales (three times), Bogaloo Watts (three times), Willie The Worm (three times), Cyclone Hart, Mike Colbert, Kevin Finnegan (twice), Bennie Briscoe, Vito Antufermo (twice), Alan Minter, Fulgencio Obelmejias (twice), Mustafa Hamasho (twice), Tony Sibson, Roberto Duran, Juan Roldan, Tommy Hearns, John Mugabi and Ray Leonard; I make that 17 good to great fighters in 27 fights...

Of the fights stated, he was 22-3-2 two defeats avenged (twice), and in reality only Willie the Worm Monroe actually beating him without doubt