Punk cited his health as the main reason he left WWE , describing that in his final months in the company , he had been working through an untreated and potentially fatal MRSA infection , broken ribs , injured knees , and multiple concussions including one at the Royal Rumble , as well as having lost his appetite and ability to sleep well .
Punk said that the main reason he left the WWE was because of his health problems . Punk said that during his last months with the company , he was working through an untreated and possibly fatal MRSA infection , broken ribs , injured knees , multiple concussions which included one at the Royal Rumble when Kofi Kingston kicked him , as well as having lost his appetite and ability to sleep well .