Brooks Koepka & Charl Schwartzel each shoot 63 in the 2nd round of the PGA Championship, matching the lowest 18-hole score in tournament history

This is now the 2nd round in major championship history with multiple rounds of 63 or better (1st round of 1980 U.S. Open) pic.twitter.com/eA3Q2QztUY

— ESPN Stats & Info (@ESPNStatsInfo) August 10, 2018