Derek, David Carr star in hilarious 'sibling rivalry' commercial

David and Derek Carr prove that no matter how rich, successful, or famous you are, brothers appear to only care about one thing: winning the sibling rivalry.

In the Carr brothers' latest commercial for EECU, David and Derek both attempt to convince themselves they're the better candidate to represent the company.

While Derek loses points for his goatee and David earns some for his stellar designer man-stubble and potential internet-breaking hair, the Oakland Raiders quarterback should win the contest thanks solely for this look alone:

There aren't many men that can pull off guy-liner, Derek. Bravo.