U.S. Open men's final: The jacket embroidered with "24" says it all. Novak Djokovic won his 24th Grand Slam event -- and fourth U.S. Open title -- on Sunday. (Tim Clayton - Corbis/Corbis via Getty Images)
U.S. Open men's final: Novak Djokovic poses with his men's singles trophy and sports a T-shirt honoring the late Kobe Bryant. (Clive Brunskill/Getty Images)
U.S. Open men's final: Novak Djokovic of Serbia celebrates with his daughter, Tara, after defeating Daniil Medvedev of Russia for the U.S. Open men's singles title on Sunday. (Matthew Stockman/Getty Images)
U.S. Open men's final: Novak Djokovic celebrates with family and friends after winning the U.S. Open men's singles title on Sunday. (Clive Brunskill/Getty Images)
U.S. Open men's final: Novak Djokovic of Serbia celebrates after defeating Daniil Medvedev of Russia to win the men's singles final at the U.S. Open. (Matthew Stockman/Getty Images)
U.S. Open men's final: Novak Djokovic raises his arms after winning a point against Daniil Medvedev during Sunday's U.S. Open men's final. (Elsa/Getty Images)
U.S. Open men's final: Novak Djokovic returns a shot against Daniil Medvedev during the first set. (Sarah Stier/Getty Images)
U.S. Open men's final: Novak Djokovic falls down after a point against Daniil Medvedev during Sunday's final. (Matthew Stockman/Getty Images)
U.S. Open men's final: Daniil Medvedev reacts after a point against Novak Djokovic during their men's final match on Sunday. (Elsa/Getty Images)
U.S. Open men's final: All right. Actor Matthew McConaughey cheers a point during Sunday's men's final. (Sarah Stier/Getty Images)
U.S. Open men's final Comedian Jerry Seinfeld and his wife, Jessica Seinfeld, watch Sunday's men's final at Arthur Ashe Stadium. (Sarah Stier/Getty Images)
U.S. Open men's final: Women's tennis great Billie Jean King is recognized during the men's singles final match between Novak Djokovic of Serbia and Daniil Medvedev of Russia. (Mike Stobe/Getty Images)
U.S. Open men's final: Actor Chazz Palminteri. left, watches the action on Sunday. (Matthew Stockman/Getty Images)
U.S. Open men's final: Rapper Lil Wayne looks on during the men's final on Sunday. (Matthew Stockman/Getty Images)
U.S. Open men's final: Martha Stewart takes in the action during Sunday's men's final. (Matthew Stockman/Getty Images)
U.S. Open men's final: Singer-songwriter Justin Timberlake applauds a point during Sunday's final. (Matthew Stockman/Getty Images)
U.S. Open men's final: Police frontman Sting, center back, applauds during Sunday's final. (Clive Brunskill/Getty Images)
U.S. Open men's final: American disc jockey Diplo, center, watches Sunday's men's final. (Al Bello/Getty Images)
U.S. Open men's final: Jelena Djokovic, the wife of Novak Djokovic, liked what she saw during the first set of Sunday's match. (Clive Brunskill/Getty Images)
U.S. Open men's final: Actress Laverne Cox looks on during the men's final. (Al Bello/Getty Images)
U.S. Open men's final: Tennis great Virginia Wade, left, and her partner, actress Mary Lou Mellace, watch Sunday's men's final. (Matthew Stockman/Getty Images)
U.S. Open men's final: Actor Leonardo DiCaprio looks on during Sunday's final. (Sarah Stier/Getty Images)
