Jordan Spieth has a scoring average per round of 0.89 in his career.

		NAME	SCORING AVG/ROUNDS	SCORING AVG	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1		Jordan Spieth J. Spieth	0.89	909.6	1,021	288	93	13	$65,528,481

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