Gibson at his peak weighed 185kg ( 410 pounds ) .
Gibson at his peak stood a relatively humble 198 centimetres ( 6ft 6in ) , enjoying a six - year career with the Detroit Lions , Dallas Cowboys and Chicago Bears from 1999 - 2004 .
Gibson at his peak weighed 185kg ( 410 pounds ) and stood a relatively humble 198 centimetres ( 6ft 6in ) , enjoying a six - year career with the Detroit Lions , Dallas Cowboys and Chicago Bears from 1999 - 2004 .