And they did.
So Mayor Julian Castro made good on his 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 and her staff at the House of Styles Salon lightened the hair of 14 Voks varsity basketball players.
It's unclear who did Castro's hair, but he tweeted a photo of his new 'do as proof of his support for the team.
The Associated Press contributed to this report.
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