Between the 2009-10 and 2020-21 seasons, Dustin Johnson had the most tournament wins, with 22 tournament wins.

most pga wins and second place finishes 2009-10 to 2020-21
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JohnsonMcIlroyThomasSpiethDayWatsonWoodsRoseReedDeChambeauKoepkaMickelsonSnedekerScottKucharSimpsonRahmMatsuyamaHorschelCantlayWalkerLeishman221814121212111098888877666666
NAMEEVENTSWINSTOP 10ROUNDSMONEY
Dustin JohnsonDustin Johnson40022103835$67,529,016
Rory McIlroyRory McIlroy2631891681$53,234,656
Justin ThomasJustin Thomas1671461615$43,915,588
Jordan SpiethJordan Spieth2061273736$47,584,292
Jason DayJason Day3901277797$46,811,507
Bubba WatsonBubba Watson4171260846$41,801,294
Tiger WoodsTiger Woods1431134411$27,989,167
Justin RoseJustin Rose3831076757$45,921,310
Patrick ReedPatrick Reed232954813$35,182,062
Bryson DeChambeauBryson DeChambeau117834401$25,522,685
Brooks KoepkaBrooks Koepka195849530$35,612,106
Phil MickelsonPhil Mickelson421853858$38,802,396
Brandt SnedekerBrandt Snedeker467863957$34,083,952
Adam ScottAdam Scott340862749$37,544,203
Matt KucharMatt Kuchar4877881,010$44,931,811
Webb SimpsonWebb Simpson475777975$41,908,260
Jon RahmJon Rahm100652367$28,771,788
Hideki MatsuyamaHideki Matsuyama186649684$33,822,653
Billy HorschelBilly Horschel366649903$28,431,236
Patrick CantlayPatrick Cantlay99632389$21,979,822
Jimmy WalkerJimmy Walker468644923$24,971,612
Marc LeishmanMarc Leishman466649941$31,459,023
Zach JohnsonZach Johnson475652977$30,162,651
Bill HaasBill Haas469646932$25,618,680
Collin MorikawaCollin Morikawa53518191$14,065,666
StatMuse has season-level data for tournament wins going back to the 1979-80 season.