Lucha libre legend Rey Misterio Sr., the uncle and mentor of WWE star Rey Mysterio, has passed away at the age of 66.

As a result, more wrestlers started to wear masks. However, it wasn’t until the arrival of the most famous lucha libre wrestlers, El Santo, that masks became a common practice in the sport.

Mexican Lucha Libre legend Rey Misterio Sr., uncle and trainer of WWE star Rey Mysterio Jr., has passed away at 66. The cause ...

"We mourn the death of Miguel Ángel López Días, known as Rey Misterio Sr.," Lucha Libre AAA stated. "We send our sincerest ...

Retired Mexican pro wrestler Rey Misterio Sr., the uncle and trainer to WWE star Rey Mysterio, has died at age 66.

Wrestling and MMA reporter Dave Meltzer took ... "We mourn the death of Miguel Ángel López Días, known as Rey Misterio Sr.," Lucha Libre AAA stated. "We send our sincerest condolences to ...