The transition from amateur to professional golf appears to be going pretty well for Jon Rahm.
Fresh off low amateur honors at the U.S. Open, Rahm fired a 7-under 64 in his professional debut to take an early one-shot lead over Jhonattan Vegas at the Quicken Loans National.
Rahm wrapped up a standout career at Arizona State last month, becoming the first player ever to win the Ben Hogan Award twice as the nation's top collegiate player. In his opener at Congressional, Rahm carded seven birdies without dropping a shot.
"I was just hot off the tee.