Source: Cowboys TE Jason Witten agrees to deal with Las Vegas Raiders
Raiders TE Jason Witten to sign one-day contract, retire as member of the Dallas Cowboys
Jason Witten rejoining Cowboys after year as broadcaster
Jason Witten to retire from NFL as member of Dallas Cowboys
Where does Jason Witten stand in greatest NFL comebacks? - Los Angeles Times
ESPN: Witten retiring after 15 seasons for 'MNF'
Jason Witten rejoining Cowboys after year as broadcaster
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