Perhaps because Melvin and Rashad ARE athletic and explosive?
If you can think of white UFC fighters that have the same kind of athleticism and explosiveness as those two, feel free to review tape of those fighters and see if Rogan/Goldberg make note of it.
Otherwise, there's nothing wrong with making accurate statements.
"I'm sure standing up, no MMA fighter can do anything to me. I was just overwhelmed by the kicks.” -- Rubin Williams
Don't Blink 2 HL