Justin Rose and Shane Lowry brutally humbled in PGA Championship second round as Scottie Scheffler battles to stay in contention amid day of carnage in Philadelphia

The second round of the PGA Championship at a Philadelphia-area course proved brutally tough, with Justin Rose and Shane Lowry struggling badly on the challenging layout. World number one Scottie Scheffler was also battling to remain in contention amid a day of high scoring and carnage across the field. The difficult conditions punished several elite players, turning the round into a test of survival rather than scoring.