(March 26, 2018) MIAMI – In her biggest victory since winning the 2017 US Open, 13th seed Sloane Stephens upset No. 3 Garbine Muguruza from Spain, 6-3, 6-4 at the Miami Open on Monday to reach the quarterfinals. After winning the US Open, Stephens lost eight straight matches. She said that she got herself together since the Australian Open. “After winning a Grand Slam, it’s … [Read more...] about Miami Open – Sloane Stephens Beats No. 3 Seed Garbine Muguruza, Venus Williams Knocks Out Defending Champion Johanna Konta