Texans top backup offensive lineman Greg Mancz remains under the NFL concussion protocol.
Mancz suffered a concussion at the end of the Texans' loss to the Carolina Panthers.
With Mancz sidelined, the Texans have little depth to their interior offensive line.
If starting offensive guards Max Scharping and Zach Fulton were to go down, the Texans would likely shift right tackle Tytus Howard, a former starting left guard, back inside with Roderick Johnson stepping in for him at right tackle.
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