Jones, the light heavyweight champion from 1997-2003, has now lost three straight fights.
You can't have five different light heavyweight champions.
For Qawi, a former light heavyweight and cruiserweight champion, it proved to be the end.
Following the event, he announced his intention to participate in a unification match against one of the other light flyweight champions.
It was the first time a light heavyweight champion had become heavyweight champion.
He retired in 2006 while still WBA light heavyweight champion.
"I always said size doesn't matter," Jose Torres, the former light heavyweight champion, contended.
He was the undefeated middle and light heavyweight South African champion and held both titles at the same time.
Calderón is the former The Ring's light flyweight champion.
He would go on to hold the title for 15 months, becoming the longest reigning Light Heavyweight Champion in the company's history.