TCU closes the regular-season 6-6 overall and 3-3 in Big 12 action.
Brooke Boyle garnered MOP accolades in Reining.
TCU claimed three MOP honors Saturday afternoon.
Start time is set for 11:00 a.m. CT Saturday afternoon.
The Horned Frogs moved to 5-4 overall and 2-2 in conference play.
McMullen, who hails from Norris, Tenn., will don the Purple and White next fall after claiming a 2009 AQHYA World Championship in Showmanship ... She is a three-time Congress Champion as well as a two-time Reserve Congress Champion ... McMullen will bring plenty of experience with her to Fort Worth as she recently won the 2012 All-American Quarter Horse Congress in the 3-Year Old Pro Limited Western Pleasure division ... She has also placed in the top-10 at the AQHYA World Show and Congress numerous times.