Bryson DeChambeau had a scoring average per round of 0.99 in his career.

		NAME	SCORING AVG/ROUNDS	SCORING AVG	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1		Bryson DeChambeau B. DeChambeau	0.99	422.2	425	125	35	8	$26,042,613

StatMuse has season-level data for rounds and scoring average going back to the 1980 season.