Baltimore Ravens offensive coordinator Gary Kubiak, left, speaks alongside head coach John Harbaugh at an introductory NFL football news conference, Monday, Jan. 27, 2014, in Owings Mills, Md. Kubiak, The former Houston Texans head coach replaces Jim Caldwell, who left to become coach of the Detroit Lions. (AP Photo/Patrick Semansky)

Baltimore Ravens offensive coordinator Gary Kubiak, left, speaks alongside head coach John Harbaugh at an introductory NFL football news conference, Monday, Jan. 27, 2014, in Owings Mills, Md. Kubiak, The former Houston Texans head coach replaces Jim Caldwell, who left to become coach of the Detroit Lions. (AP Photo/Patrick Semansky)