Erik van Rooyen withdraws from Masters

FILE PHOTO: Sep 17, 2020; Mamaroneck, New York, USA; Erik Van Rooyen plays his shot from the second tee during the first round of the U.S. Open golf tournament at Winged Foot Golf Club - West. Mandatory Credit: Danielle Parhizkaran-USA TODAY Sports

Erik van Rooyen withdrew from the Masters with an undisclosed injury on Friday morning.

The 30-year-old South African was aggressively kneading his back over his final seven holes.

He will be replaced by familiar Masters marker Jeff Knox, an Augusta National Golf Club member who enters the field anytime an in-round change would leave a single golfer in a group.

With 94 players in the field, Knox was added to the field for the second round.

van Rooyen shot a 4-over 76 in the first round Thursday and was 5 over on his final five holes.

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