Sugar Ray Leonard has revealed the one fighter that he believes could have competing during one of boxing's greatest eras.

The Untold Story of Marvin Hagler’s Battle for Glory” by Dave Wedge, a former Herald writer. The book, about Brockton’s ...

"His full story's never been told," hard-hitting Brockton author Dave Wedge said of Marvelous Marvin Hagler. What Wedge learned writing the book.

Marvelous” Marvin Hagler, left, moves in on “Sugar” Ray Leonard during the third round of a championship fight in April 1987 in Las Vegas. Leonard won with a split decision.

The widow of boxing legend Marvelous Marvin Hagler, who died Saturday in New Hampshire, took to social media Monday to refute rumors that the former middleweight champion had succumbed to a severe ...

FILE – In this April 1985 file photo, middleweight champion Marvin Hagler celebrates his title with his manager, Pat Petronelli, and co-manager, Goody Petronelli, in Las Vegas.

Hagler, along with Leonard, Hearns and Durán — the “Four Kings,” they were called — led the outstanding pack of fighters in the 1980s who made it the last great decade for the fight game.

Marvin Hagler died Saturday — unexpectedly his wife said — at age 66. He was a great fighter. He was also my friend. When I heard the news, my thoughts immediately flashed to the summer of 2016.

Boxing Marvin Hagler health update before death sparks anti-vaccine messages, Thomas Hearns tries to quiet noise A note on Hagler's official website said that the boxing great died of 'natural causes' ...

Boxing legend Marvin Hagler died March 13 in his home in New Hampshire. He was 66. Many have taken to social media to express their admiration for boxing's greatest middleweight champion and to ...

Marvin Hagler and Thomas Hearns go at it in the ring (Getty) *Retired boxing legend, Thomas “Hitman” Hearns is going at anti-vaxxers who are using his comments to co-opt the death of Marvin ...

FILE – In this April 1985 file photo, middleweight champion Marvin Hagler celebrates his title with his manager, Pat Petronelli, and co-manager, Goody Petronelli, in Las Vegas.