The Texans worked out defensive ends Ade Aruna and Nate Orchard on Tuesday, according to league sources not authorized to speak publicly.
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The Texans don't plan to sign anyone immediately, but may add to the position following the bye.
Orchard is a former Cleveland Browns second-round draft pick from Utah who has also played for the Buffalo Bills, Kansas City Chiefs, Seattle Seahawks and Miami Dolphins. Orchard has 69 career tackles and five sacks with one interception and two forced fumbles.