It began two years ago, when Wanderlei Silva, upset with remarks Chael Sonnen made about Anderson Silva and the Nogueira brothers, offered him a firm dressing down, when the two found each other in a company vehicle.
A fight between the pair has been brewing ever since, and peaked when, in the cage immediately after dismantling 'Shogun' Rua, Chael Sonnen called out Wand in his inimitable style.
"Now, right here on the UFC's new home, FOX Sports 1, Wanderlei Silva, six feet tall, 205 pounds, boy until I met you, I didn't know they stacked crap that high," Sonnen told Joe Rogan.
Wednesday night on Fox Sports Live, UFC president Dana White announced that the fight would be a headliner of UFC 167: GSP vs. Hendricks on Nov 12, IF Wand was healthy.
However, there is apparently another if.
White told MMA Fighting that Silva won't fight Sonnen unless he receives points on the PPV.
"[Silva] said he won't fight him unless he gets PPV [points]" texted White, adding "so I guess he's gonna retire."
White was asked on who Sonnen would fight next.
"We will figure it out," replied White.
Silva hasn't fought since March, when he knocked out Brian Stann in characteristically brutal fashion in Japan.
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