 Players began arriving Thursday in Las Vegas. Stephen Curry was the first to check in. It'll be his first Olympics. The 12 players have all known each other for years. The U.S. team will seek a fifth consecutive gold medal. ABC's Chuck Sievertson reporting. And with more sports news now, Taylor Van Sise is at the Beacon Plumbing Sports Desk and the Mariners avoid a Baltimore sweep in pretty dramatic fashion.