Blades Brown's course record has him tied atop American Express leaderboard

(Photo credit: Denis Poroy-Imagn Images)

Eighteen-year-old Blades Brown shot 12-under-par 60 Friday to surge into a tie for the lead with World No. 1 Scottie Scheffler through two rounds of The American Express in La Quinta, Calif.

Brown, whose first PGA Tour event as a pro was last January at The American Express when he was 17, raced out to 8 under through seven holes on Friday. He shot the final 11 holes