Dallas Cowboys player Marshawn Kneeland dies aged 24

R.I.P: Marshawn Kneeland. Pic: Michael Hickey/Getty Images

Dallas Cowboys defensive end Marshawn Kneeland has died at the age of 24, the NFL franchise have announced.

The news comes three days after Kneeland, who was in his second season with the Cowboys, scored his first career touchdown in a loss to the Arizona Cardinals.