Brock already won both belts but there is a few ufc champions who could potentially do the same and id love to see them in wwe its just some fantasy booking i know it wont happen lol

Cain Velasquez

Cain looks like a monster, although hes not a great talker he could come in as a bodyguard type gimmick maybe for a Mexican wrestler such as Del Rio, i know vince likes to target ...