Golf: Piercy extends lead to 4 shots at 3M Open with record 18-under total despite long delay

July 24, 2022 5:21 PM(REUTERS) - Scott Piercy fired a five-under 66 on Saturday (July 23) to set the 54-hole tournament record and extend his lead to four strokes at the 3M Open at TPC Twin Cities in Blaine, Minnesota.