The tournament Competition was also Mario Kindelán 's final Olympic Competition event before retirement Departing , with a second lightweight gold metal after beating Getting Amir Khan .

Tournaments Competition were held Giving in the featherweight , lightweight , welterweight and middleweight divisions .

This season featured only one weight class , lightweights ( 146–155 lb ) and the fighters were divided into two teams ; one coached Education_teaching by former UFC Lightweight Champion Jens Pulver and the other by former UFC Welterweight Champion and former lightweight champion B.J .