Jon Wertheim gives his 50 parting thoughts from a U.S. Open that will not soon be forgotten. 

Full buy-in from the players. A unique, best-of-three and 10-point tiebreak format. A fantastic host city. The second Laver Cup was a smashing success. 

Friday's match between Venus and Serena Williams is an opportunity to celebrate the Most Remarkable Story in Sports. 

Finally a Slam winner, Simona Halep has cemented her status as the world's best player.