Marin Cilic, Alexander Zverev, Roger Federer, Dominic Thiem and Tomas Berdych of Team Europe support Rafael Nadal of Team Europe as he plays his singles match against Jack Sock of Team World on Day 2 of the Laver Cup on September 23, 2017 in Prague, Czech Republic. The Laver Cup consists of six European players competing against their counterparts from the rest of the World. Europe will be captained by Bjorn Borg and John McEnroe will captain the Rest of the World team. The event runs from 22-24 September. (Sept. 22, 2017 - Source: Julian Finney/Getty Images Europe)
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