I am currently Lvl 3116. I now get 0xp for a perfect fight. I have a video showing me gaining no Xp from a perfect fight. http://www.youtube.com/watch?v=s8mmXYkJ2ow Im not sure if this is the max for everyone... but it is for me. Also, i have gotten 1xp since level
3070, sometimes 0 if i dont get a good enough combo for the knockout.