The Texans' offensive line faces a difficult challenge Sunday against an overhauled Indianapolis Colts front seven.
The Colts are led by rookie linebacker Darius Leonard, a former South Carolina State standout who has recorded 41 tackles, three sacks and one forced fumble.
Leonard had 18 tackles, a forced fumble and a sack against Washington and was named AFC Defensive Player of the Week.
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The Colts also have gotten big contributions from defensive tackle Margus Hunt, a former Cincinnati Bengal who has three sacks and five tackles for losses with one forced fumble.