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If you ever had trouble telling San Antonio, Texas Mayor Julian Castro apart from his twin brother, Rep. Joaquin Castro (R-Tex), you wouldn't after the Mayor kept his promise to the Lanier High School basketball team. If they made the playoffs, he would join the team in dyeing his hair blond. Check out the results.

As NBC News 4 San Antonio reports, the high school's "blond" tradition started 10 years ago, and the players say it shows their deep commitment to the sport.