Berdych, Pliskova withdraw from Rio over Zika concerns
PRAGUE — Another top-10 tennis player, Tomas Berdych, withdrew from the Rio de Janeiro Olympics over concerns about the Zika virus on Saturday. Hours later, another Czech, 16th-ranked Karolina Pliskova said she was withdrawing as well because of Zika. Berdych, the Wimbledon semifinalist, said “it was a hard decision for me to take after a