Michael Putnam went out early in the opening round of the Mexico Championship in bogey-free 8-under-par 31-33=64 to lead a first round suspended by darkness.
John Peterson carded a 6-under-par 34-30=64 in his opening round of the Crowne Plaza Invitational at Colonial, finishing two strokes off the overnight lead.
Jordan Spieth spun a bogey-free, 5-under-par 33-32=65 in his opening round of the Crowne Plaza Invitational at Colonial.
Josh Teater opened the Crowne Plaza Invitational at Colonial with a 5-under-par 35-30=65, finishing three strokes off the clubhouse lead.
Sergio Garcia settled for an even-par 35-37=72 in his opening round of the BMW PGA Championship.
Graham DeLaet crafted a bogey-free, 6-under-par 30-34=64 in his opening round of the Crowne Plaza Invitational at Colonial.
David Hearn turned in a 6-under-par 30-34=64 for his opening round of the Crowne Plaza Invitational at Colonial, finishing two strokes off the clubhouse lead.
John Rollins spun a 7-under-par 31-32=63 in his opening round of the Crowne Plaza Invitational at Colonial, finishing one stroke off the clubhouse lead.
Charley Hoffman signed for a 4-under-par 36-30=66 following his opening round of the Crowne Plaza Invitational at Colonial.
Bob Estes carded a 3-under-par 34-33=67 in his opening round of the Crowne Plaza Invitational at Colonial.
Zach Johnson opened his title defense of the Crowne Plaza Invitational at Colonial with a 1-under-par 33-36=69.
Jason Kokrak posted a 4-under-par 36-30=66 in his opening round of the Crowne Plaza Invitational at Colonial, finishing four strokes off the clubhouse lead.
Morgan Hoffmann enjoyed a bogey-free, 6-under-par 33-31=64 in his opening round of the Crowne Plaza Invitational at Colonial.
Colonial Country Club member Ryan Palmer thrashed his home course for eight birdies en route to a bogey-free, 8-under-par 31-31=62 in his opening round of the Crowne Plaza Invitational at Colonial.
John Huh opened the Crowne Plaza Invitational at Colonial with a 4-under-par 33-33=66.