Justin Rose and Harold Varner III are tied atop the Charles Schwab Challenge leaderboard after Thursday's first round at Colonial Golf Course in Fort Worth, Texas.
Both finished with a seven-under 63 for the round.
Rose's day began with three straight birdies, and he totaled seven birdies in the first round:
Varner also sunk seven birdies, including one to tie Rose on No. 18:
Rose is seeking his first PGA Tour victory of the season, and Varner has yet to win a Tour event since turning pro in 2012.
Rose and Varner will each need to keep in tip-top form to fend off the 13 players within two strokes of the lead.