By Scottie Scheffler standards, his second round at Quail Hollow wasn't quite scintillating—his 68 moved him to give under on the tournament—but it was exactly what he needed. After an uneven opening round rife with mudballs in which he salvaged a two-under finish,

The fates of the obvious and rich storylines entering this PGA Championship at Quail Hollow fluctuated madly throughout the second round Friday.

Jhonattan Vegas remains in the lead at the PGA Championship on a day where the drama was everywhere else. Vegas made a double bogey on the last hole for a 70.