Marshawn Kneeland, a defensive end for the Dallas Cowboys, has died at age 24, the team confirmed in a statement Thursday morning.

"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 statement said.

Kneeland, who was in his second NFL season, made his final appearance for the Cowboys in Monday night's loss to the Arizona Cardinals. He scored his first career touchdown in the the game, returning a blocked punt.

The 24-year-old Michigan native excelled as a linebacker and tight end in high school before ultimately emerging at Western Michigan as a defensive end. Hi

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