Third-ranked Alexander Zverev was thrown out of the Mexican Open for violently smashing his racket on the umpire’s chair moments after losing a doubles match. The incident took place after Zverev and Marcelo Melo lost to Lloyd Glasspool and Harri Heliovaara 6-2, 4-6, 10-6 on Tuesday night in Acapulco. Zverev struck the umpire’s chair three…