 Ryan was disappointed by his failure to obtain a head coaching job , but he agreed to return to Baltimore under the direction of Harbaugh , who retained Ryan as defensive coordinator and promoted him to assistant head coach . In 2008 , Ryan 's final year with the team , the defense was ranked second overall in the NFL . The Ravens lost by nine points in the AFC Championship Game against the Pittsburgh Steelers . Ryan 's nine @-@ year tenure with the team , during which the defense never ranked lower than sixth overall in the NFL , concluded an hour later when he accepted the head coaching position with the New York Jets . 
