Nope it's Okay I watched the video, Jds said he was bigger, stronger and faster.... So Cain beat the best Jds.
Every fighter out there it's in the best shape of it's life prior to a fight.
I recommend to read the article i mentioned, it's really instructional.
Lyoto Machida, former UFC LHW hamp
Future UFC MW Champ
Benavidez, Barao, Aldo, Nate, Nick, Lyoto, TBD, JDS
Forever hanging in Anderson Silva nuts