American Zach Johnson is atop the leaderboard after the first round of the 2012 Crowne Plaza Invitational at Colonial Country Club in Ft. Worth.
Johnson shot a 6-under 64 on the day, which included no bogeys. Johnson won the Crowne Plaza Invitation in 2012 and finished fourth last year. Thursday's round gave him 13 straight rounds under par at Colonial.
Among three golfers who shot a five-under 65 was Jason Dufner, who has won two of the past four PGA Tour events and is continuing his hot streak. Dufner made seven birdies and two bogeys. He shot a 31 on the front nine.
Here is the top 10: