Superbowl 2013 Could Feature Brother Coaches Jim, John Harbaugh

Siblings will square off if San Francisco 49ers and Baltimore Ravens win playoff games.
2:30 | 01/20/13

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Transcript for Superbowl 2013 Could Feature Brother Coaches Jim, John Harbaugh
Gio, thank you, gio benitez, our correspondent, thank you. Could come to a boil during the biggest nfl game. IF THE 49ers AND RAVENS WIN They go to the super bowl. Coached by brothers, jim and john harbaugh. Just 15 months apart. Abc's john schriffen is on the story. Oh -- pretty fierce. They don't face off today but could be at the super bowl. All right, so harbaugh's parents are faced with a really tough decision today. Do they go to atlanta to watch JIM COACH THE 49ers OR NEW England to watch their other son john coach the ravens? Well, not wanting to pick sides mom and dad will reportedly watch at home with no distractions rooting for both to make it to the big game. Brothers jim and john harbaugh, separated by just 15 months, on the verge of facing off on the biggest stage in sports. This is one problem for the two nfl head coaches. JIM'S SAN FRANCISCO'S 49ers AND John's baltimore ravens have to win on the road to get to the super bowl in new orleans. Who's got it better than us. Reporter: Considered two of the best at what they do not everyone is a fan of their in your face style. Father jack coached at some of the biggest college football programs in the country. When his boys were born they were with him every step of the way. The better team won the football team. Reporter: After spending a years as an assistant coach, older brother john got his first head coaching job with the ravens in 2008 becoming the only head coach to win a playoff game in each of his first five seasons. Younger brother jim was a quarterback in the nfl for more than a decade, for landing the HEAD COACHING JOB WITH THE 49ers In 2011. I accept this competitive challenge willingly. Reporter: Now older, they both share coaching strategies. But today they're in very unique situations. According to the latest odds out of las vegas, the are actually favored to win by four points or more over the falcons, good news for jim. As for john, well, he's a 7 1/2-point underdog to the new england patriots. A tough task to pull off. Well, if they both do win today and make it to the super bowl it wouldn't be the first time they're facing off in the nfl. Back on thanksgiving in 2011, JOHN'S RAVENS BEAT JIM'S 49ers, 16-6, I'm sure jim would love revenge in the super bowl. How fun, the parents. Thank you.

This transcript has been automatically generated and may not be 100% accurate.

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