Still testing positive, Frittelli among 3 back to work
Denny McCarthy jumps across a bridge on the 14th hole during opening round of the Workday Charity Open golf tournament, Thursday, July 9, 2020, in Dublin, Ohio. (AP Photo/Darron Cummings)

Denny McCarthy jumps across a bridge on the 14th hole during opening round of the Workday Charity Open golf tournament, Thursday, July 9, 2020, in Dublin, Ohio. (AP Photo/Darron Cummings)

Jul. 09, 2020 11:20 AM EDT
Denny McCarthy hits from the 14th tee during opening round of the Workday Charity Open golf tournament, Thursday, July 9, 2020, in Dublin, Ohio. (AP Photo/Darron Cummings)

Denny McCarthy hits from the 14th tee during opening round of the Workday Charity Open golf tournament, Thursday, July 9, 2020, in Dublin, Ohio. (AP Photo/Darron Cummings)

Jul. 09, 2020 10:28 AM EDT
Nick Watney, Dylan Fritelli, of South Africa, and Denny McCarthy play during opening round of the Workday Charity Open golf tournament, Thursday, July 9, 2020, in Dublin, Ohio. (AP Photo/Darron Cummings)

Nick Watney, Dylan Fritelli, of South Africa, and Denny McCarthy play during opening round of the Workday Charity Open golf tournament, Thursday, July 9, 2020, in Dublin, Ohio. (AP Photo/Darron Cummings)

Jul. 09, 2020 11:20 AM EDT