Jordan Spieth has a scoring average per round of 0.88 in his career.

		NAME	SCORING AVG/ROUNDS	SCORING AVG	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1		Jordan Spieth J. Spieth	0.88	909.6	1,033	291	93	13	$65,735,031

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