Learner Tien Upsets Alexander Zverev
By Miguel Mike Medina Photo Credit: AP Photo/Eduardo Verdugo On Wednesday, Learner Tien upsets No. 1 Alexander Zverev (6-3, 6-4) in the quarterfinals of the Mexican Open in Acapulco. Based on his performance against a top player like Zverev, the 19-year-old Tien has a tremendous tennis IQ. He uses the court very well and manages…
