For the second week in a row, the PGA Tour set up shop at Muirfield Village Golf Club in Dublin, Ohio.
Anyone in the field who thought they already had the course figured out, however, was quickly proved wrong Thursday.
Only days after Collin Morikawa shot 19 under and defeated Justin Thomas in a playoff at the Workday Charity Open, low scores were scarce in the opening round of The Memorial Tournament.
The greens were playing faster, the rough was thicker and the list of pros who were eaten up in Round 1 was much longer.