#4 Sin Cara requested his release from WWE in November 2019
Sin Cara was once one of the company's most popular masked Superstars, but after several backstage altercations and some in-ring issues, this came to an abrupt end in 2019.
Cara, like many other Superstars before him, took to social media to send out a statement making it clear that he had requested his release from WWE.
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In the statement which was written in Spanish, the star revealed that he believed that WWE had underutilized him, and that he was undervalued by the company as a whole. Despite this, he went on to state that he was grateful for the opportunity that WWE had given to him.
“I am so grateful for the opportunity they gave me, however, I realized that I am stuck in a place where I am not valued as an athlete or talent."
He was granted his WWE release alongside a number of other unhappy stars in December 2019. Sin Cara has since returned to Mexico and AAA where he is known under the ring name Cinta de Oro.