And they did.
So now Mayor Julian Castro has announced on his Facebook page he will make good on the promise.
The San Antonio Express-News reports Castro joins members of the basketball team who have a more than 10-year-old tradition of dyeing their hair when they make it into the playoffs.
Hair stylist Tina Ruiz says she and her staff at the House of Styles Salon will be lightening the hair of 14 Voks varsity basketball players.
It's unclear who will be doing Castro's hair, but it should be done before he meets the team Saturday to wish them luck.
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