 Within two weeks of Vermeil's resignation, the Chiefs returned to their defensive roots with the selection of its next head coach.The team introduced Herman Edwards, a former Chiefs scout and head coach of the New York Jets, as the team's tenth head coach after trading a fourth-round selection in the 2006 NFL Draft to the Jets.Quarterback Trent Green suffered a severe concussion in the team's season opener to the Cincinnati Bengals which left him out of play for eight weeks.