The most important position on the field is the quarterback and college football teams won't go anywhere without a talented signal caller. As we head into Week 1, Trevor Lawrence and Sam Ehlinger are two of the best to watch this season. At the US Open, Coco Gauff rallied to win her first match in three exciting sets and, with another victory, has a possible path to defending champ Naomi Osaka in the third round. There were a few upsets on the men's side, but the Big 3 emerged unscathed. Can anyone break their stranglehold on Grand Slam titles?