5172f030b1c877988e342b227636cd4a_crop_north 30

Examining 49ers' New-Look Coaching Staff for 2015

By Grant Cohn (Photo: Jeff Chiu/Associated Press)

At least, they left Tom Rathman alone. The San Francisco 49ers promoted three coaches this offseason—Jim Tomsula , Geep Chryst and Eric Mangini . The Niners got rid of every other coach except Rathman , the running backs coach...