Fabricio Werdum says he suffered concussion before UFC 188, gives message to haters

Fabricio Werdum could have faced Cain Velasquez or Stipe Miocic with a broken foot at Feb. 6's then-UFC 196 event.
It was when a lingering back issue reared its head that the UFC heavyweight champ had to tap out.
"I [had] an injury in my foot this time," Werdum told Ariel Helwani on Monday's edition of The MMA Hour. "I say, ‘No problem. It’s OK. I won’t kick the right leg. It’s OK.’ But, [then] last Friday, I had a big injury in my back. It’s like an old injur