Test your knowledge with our PFL Charlotte MMA quiz

The Professional Fighters League is headed back to Charlotte, NorthCarolina, with a big middleweight showdown atop the marquee.It's the second straight year for the PFL's Charlotte adventure,and before the fighters step inside the cage, fans can test theirknowledge on the upcoming PFL location, promotion and fighters whowill be competing.An elitemiddleweight clash headlines PFL Charlotte: Tune on Friday, Aug. 7at 10 p.m. ET on ESPN.