TOPSHOT - Serbia's Novak Djokovic returns the ball to Austria's Dominic Thiem during their ATP Madrid Open semi-final tennis match at the Caja Magica in Madrid on May 11, 2019. (Photo by JAVIER SORIANO / AFP via Getty Images)

TOPSHOT - Germany's Alexander Zverev serves to Greece's Stefanos Tsitsipas during their ATP Madrid Open quarter-final tennis match at the Caja Magica in Madrid on May 10, 2019. (Photo by OSCAR DEL POZO / AFP via Getty Images)

TOPSHOT - Austria's Dominic Thiem plays against Switzerland's Roger Federer during their ATP Madrid Open quarter-final tennis match at the Caja Magica in Madrid on May 10, 2019. (Photo by GABRIEL BOUYS / AFP via Getty Images)

TOPSHOT - Switzerland's Roger Federer serves to Austria's Dominic Thiem during their ATP Madrid Open quarter-final tennis match at the Caja Magica in Madrid on May 10, 2019. (Photo by GABRIEL BOUYS / AFP via Getty Images)

Romania's Simona Halep blows a kiss to celebrate defeating Switzerland's Belinda Bencic during their WTA Madrid Open semi-final tennis match at the Caja Magica in Madrid on May 10, 2019. (Photo by GABRIEL BOUYS / AFP via Getty Images)

Arsenal's Spanish manager Mikel Arteta (front L) monitors a team training session at London Colney, north of London, on May 4, 2026, on the eve of their UEFA Champions League, semi-final, second-leg football match against Atletico Madrid. (Photo by Glyn KIRK / AFP via Getty Images)

Arsenal's English midfielder #07 Bukayo Saka (C) takes part in a team training session at London Colney, north of London, on May 4, 2026, on the eve of their UEFA Champions League, semi-final, second-leg football match against Atletico Madrid. (Photo by Glyn KIRK / AFP via Getty Images)

Arsenal's English midfielder #56 Max Dowman (C) arrives with Arsenal's English defender #89 Marli Salmon (R) for a team training session at London Colney, north of London, on May 4, 2026, on the eve of their UEFA Champions League, semi-final, second-leg football match against Atletico Madrid. (Photo by Glyn KIRK / AFP via Getty Images)