Since 2014-15, Brian Harman has the most rounds, with 994 rounds.

	NAME	ROUNDS	WINS	EVENTS	TOP 10	MONEY
1	Brian Harman B. Harman	994	3	290	49	$37,813,478
2	Tony Finau T. Finau	976	6	275	65	$45,520,119
3	Tom Hoge T. Hoge	945	1	304	33	$24,936,584
4	Nick Taylor N. Taylor	937	5	291	24	$22,546,482
5	Patrick Rodgers P. Rodgers	931	0	329	28	$16,684,186
6	Adam Hadwin A. Hadwin	927	1	277	42	$24,655,281
7	Keegan Bradley K. Bradley	911	5	264	42	$40,330,790
8	Harris English H. English	910	3	272	36	$30,982,349
9	Si Woo Kim S. Woo Kim	902	4	281	33	$29,425,538
10	Lucas Glover L. Glover	902	3	272	32	$25,134,442
11	Justin Thomas J. Thomas	885	16	244	87	$68,870,648
12	Charley Hoffman C. Hoffman	882	2	278	30	$21,473,888
13	Emiliano Grillo E. Grillo	880	2	250	33	$22,676,788
14	Kevin Streelman K. Streelman	878	0	272	28	$16,160,184
15	Hideki Matsuyama H. Matsuyama	871	10	245	59	$57,174,352
16	Chez Reavie C. Reavie	866	2	277	24	$16,562,149
17	Gary Woodland G. Woodland	860	2	257	41	$26,941,009
18	Matt Kuchar M. Kuchar	853	2	246	50	$29,569,644
19	Russell Henley R. Henley	846	3	249	50	$36,718,078
20	Billy Horschel B. Horschel	845	5	255	50	$32,217,802
21	Troy Merritt T. Merritt	843	2	280	24	$13,272,554
22	Jordan Spieth J. Spieth	841	12	238	76	$57,305,913
23	Chris Kirk C. Kirk	826	3	253	28	$23,499,934
24	Russell Knox R. Knox	818	2	258	20	$15,125,034
25	Rickie Fowler R. Fowler	816	5	228	51	$37,177,227

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