The 2015 champion has tested positive for Covid 19.
2015 Open champion Zach Johnson has been forced to withdraw from this week’s tournament.
The American has tested positive for COVID-19.
South Africa’s Louis de Jager will also miss the event at Royal St George's after contracting the virus.
Dylan Frittelli and England's Sam Horsfield will replace the pair in the field.
Former Champion Golfer Zach Johnson is part of the latest group of players to withdraw from The 149th Open at Royal St George's.
— Sky Sports News (@SkySportsNews) July 12, 2021