Dallas Cowboys defensive end Marshawn Kneeland has died at the age of 24, the NFL franchise said on Thursday.

Kneeland, in his second year with the Cowboys, scored the first NFL touchdown of his career in a 27-17 loss to the Arizona Cardinals on Monday.

Frisco Police Department in Texas said Kneeland appeared to have taken his own life after he was involved in a vehicle pursuit and a multi-agency search on Wednesday night.

His vehicle was found crashed and he was thought to have fled the scene on foot.

Police were informed during the search that Kneeland had "expressed suicidal intentions". He was found dead at 1:31am local time on Thursday.

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