Covington-Masvidal may be the most intensely personal feud to play out inside a UFC cage, but it’s not the first of its kind.
It's personal: Covington-Masvidal highlights list of friendships that turned into heated Octagon rivalries
Covington-Masvidal may be the most intensely personal feud to play out inside a UFC cage, but it’s not the first of its kind.
