After a decade-long retirement, the former Wimbledon champion and world No. 2 announced he's returning to the tour to play doubles at next week's German Open. The 40-year-old will team up with fellow German Mischa Zverev, who warmed up by knocking off top-seeded Gilles Simon in the singles draw at this week's Mercedes Cup in Stuttgart.
Text: Bryan Armen Graham/SI.com
Photo: Lars Baron/Bongarts/Getty Images