Davis Love III has the most career events, with 2,416 events.

most pga tour events
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Love IIIHaasMayfairCalcavecchiaSlumanBrooksSindelarCookPavinFaxonTwayO'MearaHochCouplesPerrySuttonEstesRobertsFunkForsmanJanzenMediate2.4k2.4k2.4k2.4k2.3k2.3k2.2k2.2k2.2k2.2k2.2k2.1k2.1k2.1k2.1k2.1k2.0k2.0k2.0k2.0k2.0k2.0k
NAMEEVENTSTOP 10WINSROUNDSMONEY
Davis Love IIIDavis Love III2416180212,735$44,959,243
Jay HaasJay Haas240213082,510$14,241,577
Billy MayfairBilly Mayfair23967352,475$20,303,642
Mark CalcavecchiaMark Calcavecchia2355142132,606$24,214,778
Jeff SlumanJeff Sluman232610562,466$18,165,266
Mark BrooksMark Brooks23075872,493$9,455,442
Joey SindelarJoey Sindelar22468372,311$11,196,462
John CookJohn Cook222898112,418$12,685,199
Corey PavinCorey Pavin2172108152,269$16,021,370
Brad FaxonBrad Faxon21708882,324$17,769,250
Bob TwayBob Tway215610382,299$15,785,814
Mark O'MearaMark O'Meara2132119162,282$14,325,370
Scott HochScott Hoch2132163112,344$18,530,158
Fred CouplesFred Couples2086162152,326$22,814,253
Kenny PerryKenny Perry2073104142,216$32,123,129
Hal SuttonHal Sutton2057124142,154$15,267,686
Bob EstesBob Estes20429142,172$21,628,538
Loren RobertsLoren Roberts20399482,155$15,154,767
Fred FunkFred Funk19989382,214$21,310,436
Dan ForsmanDan Forsman19936452,178$8,687,983
Lee JanzenLee Janzen19546682,070$16,038,980
Rocco MediateRocco Mediate19506462,041$16,824,618
Billy AndradeBilly Andrade19285642,052$12,494,805
Vijay SinghVijay Singh1891185342,220$71,236,216
Peter JacobsenPeter Jacobsen18547372,105$7,703,575
StatMuse has season-level data for events played going back to the 1979-80 season.