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The Cowboys are already without Randy Gregory for the first four games of the season.

By SI Wire
April 20, 2016

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Dallas Cowboys defensive end DeMarcus Lawrence has been suspended for four games for violating the league's performance-enhancing drug policy, according to NFL.com's Ian Rapoport.

Lawrence will appeal the suspension. He was previously fined for four-games for a substance abuse violation.

The Dallas Cowboys will already be without defensive end Randy Gregory, who violated the league's substance abuse policy and will miss the first four games of the regular season.

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