[3] The UFC and FX held open tryouts on December 5, 2011, in Las Vegas, Nevada.
[5] On December 6, 2011, it was announced that the coaches for the season would be Dominick Cruz and Urijah Faber.
[10] Following his win in the elimination round, Jeremy Larsen was medically suspended by the Nevada State Athletic Commission (NSAC) due to a cut on his head.
[11] Other medical suspensions from the elimination round fights include Jeff Smith (Arachnoid cyst), James Krause (possible ankle injury), Cody Pfister (cut to right eye), Austin Lyons (due to knock out) and Erin Beach (due to technical knock out and cut on lower lip).
A rematch between Ian McCall and Demetrious Johnson for the first round of the tournament to crown the first UFC Flyweight Champion was initially reported for this event.
However, Bloodworth was forced out of the bout and replaced by promotional newcomer Érik Pérez.