Name boxers who declined dramatically after one grueling fight

[lopetego]

Most recent example: Sergio Martinez after Chavez Jr

Vargas after Trinidad comes to mind too

Cotto after Margarito I

feel free to add more

[ΣL CHAPO]

Martinez after Chavez jr

Cotto After Margarito

[Build That Wall]

Oscar De La Hoya after the second mosely fight.

[Phenom]

lol Williams had him hurt Margarito knocked him out WTF did Jr do in that 12th round exactly

[Build That Wall]

Oscar won that rematch in my opinion against mosely but it is after that when he fought sturm which he lost, then hopkins, then he beat mayorga, and then lost to Mayweather.

[SweetScience]

Magarito after the first Cotto fight as well.

[bigsmoothh]

zab judah after tzyu......

[Hitman932]

Trinidad after Hopkins
David Reid after Trinidad
Vassily Jirov after James Toney
Ancelino Freitas after Diego Corrales
Edison Miranda after Kelly Pavlik
Lucian Bute after Carl Froch

[paulf]

Mosley after the first Vernon Forrest fight.

Anyone after Hopkins.

[NoLove]

Khan after Maidana.