Who introduced B.J. Penn to Brazilian Jiu-Jitsu?

When did BJ Penn makes his UFC debut?

Who gave B.J. Penn his first UFC loss?

Who did B.J. Penn defeat for his first Welterweight Championship?

True or False: B.J. Penn is the only fighter in UFC history to hold a title in two different weight classes.

True or False: B.J. Penn has fought Lyoto Machida.

B.J. Penn left UFC for a brief period and returned in early 2006. Who did B.J. Penn face upon his return?

B.J. Penn coached which Ultimate Fighter?

Who did B.J. Penn defeat for his first Lightweight Championship?

When did B.J. Penn vs. Georges St. Pierre II take place?