Scottie Scheffler has a greens in regulation percent per round of 0.89 in his career.

		NAME	GIR%/ROUNDS	GIR%	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1		Scottie Scheffler S. Scheffler	0.89	428.5	480	128	65	14	$78,339,833

StatMuse has season-level data for greens in regulation percent and rounds going back to the 1980 season.