Below is Ryback's latest message to John Cena on Twitter:
"First rule of #RybackRules is there are no rules. Change is inevitable. I am on a mission. Target not John Connor, but JC is who I see."
He also tweeted the following message about his overseas workouts in the UK with WWE:
"Workout tip #1. Hard work always works. In Dublin on zero sleep and legs will be destroyed in gym. You will understand me soon. #RybackRules"