Mentally tough fighters? who are they and why?

[El Angel]

I was gonna say JMM, but got beat to the punch.

[Dambala]

JMM, Mosley, Pac, Floyd, B-Hop, Calderon and Bradley.

[strugler]

Mentally challenged in the ring..imo ..........would be judah, oscar, juan diaz, clottey, michael grant, and delahoya..............

[strugler]

khan is mentally tough too!!!........

[The_Demon]

Y'all forgot about Victor Ortiz.

haha joker

[black.ink]

Abraham, Froch and Katsidis added.

[eli porter]

malignaggi fought through a broken cheekbone. if that counts.

[zojo]

Y'all forgot about Victor Ortiz.

and cotto

[Benncollinsaad]

JC Chavez. He was losing for 9 rounds against Meldrick Taylor but still didn't give up till the very end. Froch seems mentally tough too...Calzaghe also.

[Frank Martin]

Arturo Gatti - blood and guts