Burst onto the scene by making the cut in a US PGA Tour event at just 16 years of age, and won his first professional tournament by the time he reached 19 at the 2013 John Deere Classic, making him the first teenager to win a PGA Tour tournament since 1931. Almost became the youngest winner of the US Masters in 2014, where he led by two after seven holes of the final round, only to eventually lose out to Bubba Watson and finish in a tie for second place. In 2012, Spieth finished 21st in the U.S. Open, after which he moved up to the top of the World Amateur Golf Rankings. In December 2012, midway through his sophomore college year, he decided to turn professional. Spieth had no status on any professional tours as the 2013 season began, so he relied mostly on sponsor exemptions to get into events. After two quick Top 10 finishes in Web.com Tour events, he reeled off multiple Top 10 finishes on the PGA Tour, including runner-up at the Puerto Rico Open. He quickly won enough money to earn Special Temporary Member status on the PGA Tour. It wasn't long until he claimed his full PGA Tour card, though, thanks to his victory at the John Deere Classic, where he came through in a playoff over Zach Johnson and David Hearn. By the end of the 2013 PGA Tour season, Spieth had made 23 starts and finished in the Top 10 in nine of them, with one win and three runner-ups. That was more than enough for him to earn a captain's pick for the U.S. Presidents Cup team, and be named PGA Tour Rookie of the Year for 2013.