IBF backs Kambosos, slaps down Triller over contract issue related to Lopez fight

Challenger also pushes back on effort to change fight date again

Unified lightweight world champion Teofimo Lopez and IBF mandatory challenger George Kambosos Jr. have a major disagreement on how they think their fight will go, but one thing they and their teams do agree on is that they have no intention of allowing Triller to move the fight yet again to a new date and venue.

Kambosos also expects Triller to live up t…