Seve Ballesteros has the most career rounds per event played, with 8.21.

	NAME	ROUNDS/EVENTS	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1	Seve Ballesteros S. Ballesteros	8.21	427	52	27	6	$1,547,718
2	Matteo Manassero M. Manassero	7.83	94	12	3	0	$604,148
3	Peter Hanson P. Hanson	6.64	186	28	8	0	$1,025,709
4	Victor Dubuisson V. Dubuisson	6	60	10	3	0	$354,625
5	Gary Player G. Player	5.81	279	48	4		$252,962
6	Miguel Angel Jimenez M. Angel Jimenez	5.65	339	60	17		$1,023,040
7	Aaron Watkins A. Watkins	5.16	98	19	2	0	$481,464
8	Skeeter Heath S. Heath	5.04	282	56	1		$68,738
9	Martin Kaymer M. Kaymer	4.9	407	83	16	3	$7,402,372
10	Jamie Donaldson J. Donaldson	4.9	142	29	5	0	$1,458,716
11	Tom Shaw T. Shaw	4.69	258	55	2		$54,165
12	Joe Affrunti J. Affrunti	4.67	42	9	0	0	$99,932
13	Soren Kjeldsen S. Kjeldsen	4.53	77	17	3	0	$722,913
14	Richard Sterne R. Sterne	4.5	81	18	2	0	$27,690
15	Ross Fisher R. Fisher	4.36	122	28	3	0	$724,122
16	Dean Burmester D. Burmester	4.25	34	8	1	0	$576,165
17	Francesco Molinari F. Molinari	4.18	707	169	28	3	$16,398,253
18	Niclas Fasth N. Fasth	4.15	253	61	8		$285,783
19	Thomas Aiken T. Aiken	4.09	94	23	3	0	$347,686
20	Tom McKibbin T. McKibbin	4	4	1	0	0	$40,674
21	Dale Douglass D. Douglass	3.99	271	68	1		$52,598
22	Tyler Aldridge T. Aldridge	3.95	166	42	0	0	$609,830
23	Ludvig Aberg L. Aberg	3.93	177	45	15	2	$19,225,074
24	Lee Westwood L. Westwood	3.86	733	190	45	2	$15,155,993
25	Thorbjorn Olesen T. Olesen	3.83	161	42	7	0	$1,538,606

StatMuse has season-level data for events played and rounds going back to the 1980 season.