Like Mysterio, Guerrera lost his mask in WCW, being defeated by Chris Jericho in early 1998. Like Silver King, Guerrera worked unmasked for a long time afterwards.

Mysterio was unmasked in WCW in 1999, however, following the closure of WCW and his subsequent signing with WWE, he wore his mask once again. He has detailed the plans he had heading into WWE, and ...