Spurs caused a stir on social media after singing the national anthem . Critics were outraged that he was wearing a mariachi suit while singing . `` It makes me feel like I After his game 4 performance , the Sebastien de la Cruz brought him back for an encore . America Mayor Julian Castro introduced him during game 3 .
Spurs caused a stir on social media after singing the national anthem . Critics were outraged that he was wearing a mariachi suit while singing . After his game 4 performance , the Sebastien de la Cruz brought him back for an encore . America Mayor Julian Castro introduced him during game 3 .