Next Sunday, John and Jim Harbaugh will go toe to toe for Super Bowl XLVII and dinner table bragging rights.
While the Harbaughs will be the first brothers to face off against each other in a Super Bowl, they are far from the first set of family members to play for a championship.
We are all familiar with sibling rivalries, but having two brothers trying to scheme against and, ultimately, destroy one another always makes for an entertaining spectacle.
Then there are times when they work together and bring a level of companionship that being a mere teammate could never match.
Sometimes they stand next to each other, sometimes they glare in hatred until the final whistle, but whenever family is present on the field, it brings a whole new level of intensity.
So, in no particular order, here is a list of other brothers who have played for sports supremacy.