Missy started playing softball at the age of 8 or 9 in the Arizona Girls Softball League (AGS) on the Red Socks team. She started her softball career playing shortstop but changed to catcher. She remained behind the plate throughout her playing career. She moved up to Arizona’s top ASA travel teams including the Cubettes, Lil Saints and the Flames. While on these teams, she attended in many ASA Regional and National Tournaments.
Missy played at Greenway High School, where she was selected to many Skyline Regional All Star teams and the All Arizona Team plus the All Star Game MVP. She played College ball for Central Arizona Junior College and the University of Oklahoma. At Oklahoma, Missy was a member of the Big 12 1996 Championship Team. She was named to the 1996 Big 12 All Tournament Team and second Team All Midwest Region.
Missy started her coaching career at Oklahoma in 1997 as an Oklahoma Student Assistant, then moved up to Assistant Coach in 1998 and in 2007 she became an Associate Head Coach. During her coaching tenure the Sooners have won 15 NCAA Regional Championships and four NCAA National Championships.