Same question could be asked why so many Haymon fighters refuse to test with VADA.
Just look at the cheats that have been exposed as of recent. Mosley, Berto, Peterson, Mickey Bey, J'Leon Love. Some fights were even on the verge of getting cancelled because a fighter requested Vada testing. Quite the occurrence isn't it? It's very important to look at these figures that are CONFIRMED drug cheats, especially considering Floyd, Mr. Drug Crusade himself helped catch these cheats. Little did he know they'd be fighters from his own stable