Put Sock in it

Jack Sock and John Isner gave the United States a 2-0 lead over Croatia yesterday in the best-offive Davis Cup tennis quarterfinal. Sock overcame a two-set deficit to beat Marin Cilic 4-6 3-6 6-3 6-4 6-4, and Isner topped Borna Coric 6-4 6-4 6-3 in the second match on the Tualatin Hills hard court. The US can wrap up the tie with a win in the doubles match between twins Bob and Mike Bryan and Ivan Dodig and Marin Draganja. The US-Croatia winner will advance to the semifinals, playing the Czech Republic-France winner in September. The US are seeking their first semifinals appearance since 2012, Croatia their first since 2009.