Jordan Spieth has a scoring average per round of 0.9 in his career.

		NAME	SCORING AVG/ROUNDS	SCORING AVG	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1		Jordan Spieth J. Spieth	0.9	909.9	1,007	282	92	13	$64,626,395

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