Super Bowl: Jim and John Harbaugh poised to do battle when Baltimore Ravens face San Francisco 49ers

After a fortnight’s microscopic scrutiny of the starkest sibling rivalry in Super Bowl history, the Harbaugh brothers, head coaches Jim and John, finally bowed to the media juggernaut in New Orleans by hosting an unusual joint press conference alongside the Vince Lombardi Trophy.

Sibling rivalry: Baltimore Ravens head coach John Harbaugh (left) and brother Jim, his counterpart with the San Francisco