Laver Cup Previews - Day 4

CHICAGO, IL - SEPTEMBER 20: Team World Captain John McEnroe of the United States Vice Captain Patrick McEnroe of the United States pose with team members Kevin Anderson, John Isner, Diego Schwartzman, Jack Sock, Nick Kyrgios, Frances Tiafoe, and Nicolas Jarry prior to the Laver Cup at the United Center on September 20, 2018 in Chicago, Illinois. The Laver Cup consists of six players from Team World competing against their counterparts from Team Europe. John McEnroe will captain Team World and Team Europe will be captained by Bjorn Borg. The event runs from 21-23 Sept. (Photo by Stacy Revere/Getty Images for The Laver Cup)