The event takes place Dec. 10 at the Air Canada Centre in Toronto. A heavyweight rematch between Frank Mir and Antonio Rodrigo Nogueira is currently planned as the main event.
Bocek has not stepped into the Octagon since April, when he lost in the opening bout of Toronto’s UFC 139 pay per view broadcast to Ben Henderson.
Lentz last appeared at UFC on Versus 4. He was struck by an illegal knee by opponent Charles Oliveira and was quickly submitted, but the Pennsylvania State Athletic Commission changed the loss to a no-contest due to the knee. Lentz is undefeated in 15-straight fights dating back to 2007.
