Daniel Bryan has officially retired from wrestling at the age of 34. The WWE champ took to Twitter before Raw to share that after 16 years, he was officially done due to medical reasons. "Due to medical reasons, effective immediately, I am announcing my retirement," Bryan, 34, tweeted to his more than 2 million followers. "Tonight on Raw, I’ll have a chance to elaborate. #gratitude." Hours later, the wrestling legend stood in the ring during WWE Monday Night RAW to discuss his decision to the live audience.