Pliskova, Kontaveit open WTA Finals with wins

Guadalajara, Mexico: Karolina Pliskova continued her dominance of Garbine Muguruza Wednesday, opening her WTA Finals campaign with a battling 4-6, 6-2, 7-6 (8/6) victory over the Spaniard. Czech third seed Pliskova, at 29 the oldest player in this…