Day 2 at the Masters Starts With Mayhem and Ends With Patrick Reed Leading

Patrick Reed hitting from a sand trap on the 10th hole at Augusta National on Friday. Reed’s highest finish at a major has been a tie for second at the P.G.A. Championship last year, when he finished two strokes behind Justin Thomas.AUGUSTA, Ga. — The second round of the Masters began with tumult and sloppy play.

The first-round leader Jordan Spieth started Friday with a double bogey on his first hole. Then he bogeyed the next hole.

A little while later, Phil Mickelson, who began Friday just four strokes off the lead, found himself in the woods, where he tried a recovery shot that ricocheted off a tree trunk and disappeared in a bush. There may have been symbolism in that result since…