Federer gets win in Miami opener

Roger Federer won his opening match at the Miami Open at Key Biscayne, Fla., returning to the tournament after a two-year absence and beating 19-year-old American qualifier Frances Tiafoe 7-6 (2), 6-3.

Stan Wawrinka, seeded No. 1, won his opening match against Horacio Zeballos 6-3, 6-4.

In women’s play, No. 6-seeded Garbine Muguruza rallied past No. 30 Zhang Shuai 4-6, 6-2, 6-2.