That injury is why his chest looks so messed up. He was very lucky to survive. It's sad that these guys can't walk away.
Guess they have to keep paying the bills. Rock, Hogan, and Flair were ones I know of that make royalties on some items. Maybe someone else knows. But I’m sure a big part is that feeling of being in the spotlight.
Hogan was super stiff in the ring his last few years.