MAINTENANCE [brookline22-427332.jpg]

17/06/2022 PGA TOUR Champions, U.S. OPEN, The Country Club, Brookline, MA, USA. 16 - 19 Jun. Maintenance A member of the grounds crew uses a Stimpmeter to measure the speed of the putting surface at the 18th hole during the second round.

© USGA via golfsupport.nl/James Gilbert