(L-R) Team Europe Alexander Zverev, Grigor Dimitrov, David Goffin and Kyle Edmund speak during a press conference 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.
(Sept. 19, 2018 - Source: Stacy Revere/Getty Images North America)