Houston Texans center Greg Mancz (65) lines up on the ball with guard Josh Walker (73) during training camp at the Greenbrier on Thursday, July 27, 2017, in White Sulphur Springs, W.Va.
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Texans center-guard Greg Mancz's two-year contract extension is worth $7.913 million and includes $3.5 million guaranteed, according to NFL Players Association figures.
Mancz has a $1.