A new fight has been added to UFC 159: Jones Vs Sonnen. Olympic Silver Medalist Sara McMann will make her UFC debut against Sheila Gaff, who will also be making her UFC debut at the Prudential Center in Newark, New Jersey. McMann(6-0) last fought in Invicta and defeated Shayna Baszler by unanimous decision in a”¦The post Sara McMann and Sheila Gaff To Fight At UFC 159 appeared first on Fighters.com.