Dimitrov stuns Alcaraz, plays Zverev in semifinal; Rybakina makes back-to-back finals, faces Collins
Under the eyes of boxing legend Mike Tyson, Grigor Dimitrov knocked out top seed Carlos Alcaraz in the Miami Open quarters with a 6-2 6-4 victory. The Bulgarian will face Alexander Zverev in the semifinal, while Elena Rybakina will have another shot at the final for the second straight year, now against American Danielle Collins, who plays for her first WTA 1000 title.