The Texans worked out four linemen on Tuesday, according to a league source not authorized to speak publicly.
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That included former Texas-San Antonio and Green Bay Packers defensive tackle Brian Price and former Michigan defensive tackle Willie Henry, who was previously with the Baltimore Ravens.
The Texans also worked out former Boise State center Marcus Henry, previously with the New Orleans Saints, and former Iowa center Keegan Render, a former Philadelphia Eagles undrafted free agent.
None were immediately signed to a contract.
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