ARLINGTON, Texas (KLTV) - Dallas Cowboys defensive end Marshawn Kneeland has died at 24 years old, according to Sports Illustrated.

The Dallas Cowboys released the following statement:

“It is with extreme sadness that the Dallas Cowboys share that Marshawn Kneeland tragically passed away this morning. Marshawn was a beloved teammate and member of our organization. Our thoughts and prayers regarding Marshawn are with his girlfriend Catalina and his family.”

The cause of death has not been announced.

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