Texans send Mallett to IR, officially add Thad Lewis

On Monday, tight-lipped Texans coach Bill O’Brien didn’t have much to saw about reports that quarterback Ryan Mallett would miss the rest of the season. On Wednesday, the team said plenty, parking Mallett on season-ending injured reserve.  He was replaced on the roster by quarterback Thad Lewis. Mallett sustained a torn pectoral on Sunday, reportedly…