Between the 2010 and 2018-19 seasons, Charles Howell III had the most rounds, with 935 rounds.

	NAME	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1	Charles Howell III C. Howell III	935	497	48	1	$20,207,925
2	Matt Kuchar M. Kuchar	885	446	86	7	$42,067,309
3	Charley Hoffman C. Hoffman	853	448	36	3	$22,280,447
4	Webb Simpson W. Simpson	848	440	63	5	$34,027,506
5	Kevin Streelman K. Streelman	844	450	34	2	$16,415,170
6	Bill Haas B. Haas	842	434	46	6	$25,326,424
7	Zach Johnson Z. Johnson	833	433	48	6	$28,143,522
8	Brandt Snedeker B. Snedeker	819	423	60	8	$31,839,412
9	Cameron Tringale C. Tringale	818	436	21	0	$10,919,703
10	Rickie Fowler R. Fowler	805	419	68	5	$37,382,178
11	Jimmy Walker J. Walker	804	427	43	6	$24,066,955
12	Marc Leishman M. Leishman	803	424	42	4	$25,242,224
13	J.J. Henry	797	468	13	2	$7,244,298
14	Gary Woodland G. Woodland	796	340	37	4	$25,249,959
15	Brendon De Jonge B. De Jonge	795	490	24	0	$10,578,166
16	Keegan Bradley K. Bradley	786	363	40	4	$24,512,512
17	Chad Campbell C. Campbell	783	448	18	0	$8,309,647
18	Chris Stroud C. Stroud	782	445	27	1	$10,666,125
19	Rory Sabbatini R. Sabbatini	779	422	28	1	$13,374,833
20	Ricky Barnes R. Barnes	777	446	17	0	$7,686,763
21	Hunter Mahan H. Mahan	775	429	33	5	$20,102,248
22	Nick Watney N. Watney	769	427	37	3	$20,422,360
23	Ryan Moore R. Moore	767	408	49	4	$22,933,538
24	Kevin Na K. Na	762	417	49	3	$23,478,727
25	Jason Dufner J. Dufner	757	407	39	5	$23,454,860

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