Sibling showdown puts loyalties to test for Harbaugh parents

Left: San Francisco 49ers head coach Jim Harbaugh reacts from the sidelines during the first half against the Atlanta Falcons in the NFL NFC Championship game in Atlanta, Georgia, on Jan 20. Right: Baltimore Ravens head coach John Harbaugh talks to a referee during the NFL AFC Championship game against the New England Patriots in Foxborough, Massachusetts. Jeff Haynes, Adam Hunger / Reuters