Free agent running back DeMarco Murray is leaving the Dallas Cowboys and to make matters worse, he's headed to play for one the 'Boys fiercest rivals, the Philadelphia Eagles.

ESPN reports that Murray is expected to sign a five-year, $42 million deal, including $21 million guaranteed.

The Cowboys were reported to have offered Murray a contract worth about $6 million per year. Murray's representatives told teams he was seeking $8-10 million annually with $20-25 million guaranteed.

Murray led the league in rushing last season with Dallas, running for 1,845 yards and 13 scores.

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