NORTON, Mass. — It took a disappointing par for Scottie Scheffler to realize he was making enough birdies to have a shot at 59, and he seized on the chance Friday with four birdies over his last five holes to post the 12th sub-60 round in PGA Tour history.

For the longest time, it looked like his 59 might not even be the best of the day at The Northern Trust.

Dustin Johnson had already set off on an explosive start that put some buzz into the TPC Boston even without any spectators on the course.

Birdie. Eagle. Birdie. Eagle. Birdie.

Johnson shot a 60, had a two-shot lead, and it almost felt as though condolences were in order.

Johnson is at 15-under-par through the tourney’s first two rounds.