CLK_FPC
Fists of Fury
if you spar with heavies, and you're a middleweight, and you've never gone down, get better sparring partners.
unless of course, you're the reincarnation of Jake Lamotta or Marvelous Marv' (which, without meaning to offend, i highly doubt).
the people i spar have been boxing or years yesterday i got rocked by a 27 year old polish guy but thats it, i would like to think its a testament to myself being able to take a punch rather than them being poor