The Texans worked out three long snappers on Tuesday.
They worked out Andrew DePaola, Wes Farnsworth and Matt Overton, according to league sources not authorized to speak publicly.
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The Texans have a proven long snapper in Jon Weeks, who is expected to play through an ankle injury suffered against the Indianapolis Colts on Sunday. Although hobbled, Weeks remained in the game.
The Texans also worked out former Rice and San Francisco 49ers running back Austin Walter, running back Darius Jackson, wide receivers J.