Collin Morikawa has a greens in regulation percent per event played of 3.57 in his career.

		NAME	GIR%/EVENTS	GIR%	EVENTS	TOP 10	WINS	ROUNDS	MONEY
1		Collin Morikawa C. Morikawa	3.57	484.9	136	45	6	485	$42,042,268

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