Chiefs sign Jared Gaither

The Kansas City Chiefs have bolstered their offensive line. Unrestricted free agent tackle Jared Gaither has signed with the Chiefs, the team announced on Thursday. The 6-foot-9, 340-pound Gaither entered the league as a fifth-round pick of the Ravens in the 2007 supplemental draft. Gaither became a consistent starter in 2008 and 2009 but missed…