Dana White's Contender Series has become such a big deal, "Suga" Sean O'Malley says after the UFC, it's the biggest force in all of Mixed Martial Arts.
"The Contender Series is the second biggest promotion in the world. UFC and then Contender Series. There's nothing really that's competing with it," the show alum told Babcock this week.
Not PFL, nor ONE FC.
"I watched more Contender Series than I watched PFL.