Biggest sore loser in boxing?

[Ahmed_Ismail]

Marquez kinda, Larry Holmes, James Toney, Manfredy after the Mayweather fight, Hagler cuz he turned down the rematch with Leonard.

[PeasantCrusha]

True test of good character is how you take things when things don't go your way or if you lose. Sportsmanship is a valued trait.

JMM is a sore loser and classless after losses. That's a sign of his lack of character. I believe considering all this, that he's obsessive and desperate enough to take PED's.

Indeed. "I will show them!"

[TheMexHurricane]

Is it Juan Manuel Marquez? According to him, he only lost one time vs. Mayweather. Or is it someone else? Thoughts?

Miguel Cotto the steroid cheating hypocrite because he whined like a little girl about Margarito cheating and then he gets on steroids and puts all the Ricans he promotes on steroids. LOL! Oh, and he hugged Margarito in the 2nd fight to get an illegitimate "win". This website is a Puerto Rican hype machine and anti-Mexican propaganda website. Mexicans won't have to deal with this BS on my website. I got nothing to lose since I won't be getting payed for my website so bring it on Boxingscene!!!

[alexguiness]

I am big Cotto fan....but he wears this crown all day long.

[Build That Wall]

Cotto walked out of a post fight interview when he lost to african american fighters and I believe he did them after Pacquiao and Margarito.

[-Johannes-]

JMM and Cotto. I can understand getting pissed at a close D but Cotto leaving after Floyd and Trout fight kinda puts him on top. Those fight's were not as close as any Pac/JMM fight.

[bojangles1987]

Definitely Marquez. He'll probably claim he was robbed against Mayweather some day.

[creekrat77]

I'd say Zab Judah and Juan Manuel Marquez take the cake. Although Marquez is much more pretentious about it

[Dirk Diggler UK]

Glen Johnson and Borehard deserve mentions

[Derranged]

JMM'S behavior for the first month after the Bradley fight was one of the worst displays I've ever seen. You can't be much more of a sore loser than he was.

Antonio Tarver was also a sore loser