1)
Jon himself wants DC which tells you all you need to know.
3)
DC is too slow.
And if you want Jones to face a wrestler who can toss a guy why not dust off Randleman or Rampage and let them have a go? I could find you a bunch of gifs of Alex and Jon ragdolling guys just as effortlessly but most wont do this in a fight since it burns a ton of energy.
And even if DC closes the distance Jon will get the underhooks and now you've got a slow, short guy with a shorter reach than Rashad trying to get a TD on the divs best greco with Jon's arms firmly planted in his armpits; manipulating his short body as he sees fit with his height and leverage. Alex was able to nullify much of this thanks to his own speed and height but we've seen what Jon has done to other guys that he's got this advantage on.
So I'm sorry, but no. Alex is our only hope and if he can't do it we're stuck with Jon for a long long time. I know I'm off the hate train and waving the white flag when or if Alex loses anyways.