Besides Sid and Austin...Mick Foley getting his ear ripped off in germany and Vic Grimes when he fell off the scaffold. I'm not sure what one injury he had but he got pretty fucked up!
When Eddie Guerrero first arrived in WWE (w/ Radicals) and on his debut match dislocated his elbow doing the Frog splash. You could see his elbow poking out to the side, looked sick. He was out for a few months...