13 players are tied for the most holes in one in a season, with 2 holes in one. The first three are Corey Conners and Denny McCarthy in 2020-21 and Martin Laird in 2019-20.

who has the most holes in one in a season
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2020-21Conners2020-21McCarthy2019-20Laird2019-20Murray2017-18Cantlay2016-17Cabrera2016-17Kuchar2016-17Murray2015-16Cejka2015-16Brown2015-16Oosthuizen2014-15Hurley2014-15Romero2014-15Harman2013-14Brown2021-22Kim2021-22Huh2021-22Homa2021-22Cink2021-22Conners2021-22Kirk2021-22Ortiz2222222222222221111111
NAMESEASONEVENTSHOLES IN ONETOP 10WINSSCORING AVGROUNDSGIR%FWY%DRIVING DISTANCE AVGPUTTING AVGSAND SAVE%SCRAMBLING %FEDEXCUP POINTSMONEY
Corey ConnersCorey Conners2020-212928070.110469.970.2295.41.746.758.41,684$4,007,567
Denny McCarthyDenny McCarthy2020-213023071.19464.062.3295.41.857.860.4549$1,212,977
Martin LairdMartin Laird2019-201221071.34070.563.7302.11.832.260.9106$232,786
Grayson MurrayGrayson Murray2019-201421071.83663.954.2313.81.843.655.6100$244,150
Patrick CantlayPatrick Cantlay2017-182327169.98071.161.5303.61.853.859.0453$3,963,962
Angel CabreraAngel Cabrera2016-171621072.43562.161.5288.11.832.751.696$210,479
Matt KucharMatt Kuchar2016-172629069.89666.765.9285.41.857.665.3648$4,282,489
Grayson MurrayGrayson Murray2016-173022171.19064.056.0308.21.751.653.8816$1,468,728
Alex CejkaAlex Cejka2015-162224070.77168.065.9281.51.854.365.0754$1,566,308
Scott BrownScott Brown2015-162724071.18865.063.7292.51.850.059.0781$1,143,452
Louis OosthuizenLouis Oosthuizen2015-161723070.35668.261.72941.853.054.21,468$2,422,079
Billy HurleyBilly Hurley2014-1528210718365.365.9271.71.847.964.2420$591,450
Andres RomeroAndres Romero2014-152422071.46961.752.7295.41.845.956.7312$617,253
Brian HarmanBrian Harman2014-152923070.69066.764.4287.91.855.859.61,135$1,548,352
Scott BrownScott Brown2013-143024070.910065.066.6287.21.846.458.7821$1,441,725
Si Woo KimSi Woo Kim2021-221711071.16266.862.83031.750.062.6558$1,540,243
John HuhJohn Huh2021-221411071.24566.066.7291.41.753.160.8210$521,969
Max HomaMax Homa2021-221312170.94367.261.6303.21.743.455.9842$2,514,510
Stewart CinkStewart Cink2021-2213110724268.557.6302.71.856.953.4162$448,778
Corey ConnersCorey Conners2021-221412070.35071.665.2300.51.852.962.1663$2,402,280
Chris KirkChris Kirk2021-221612070.65067.764.42991.855.762.9389$1,216,428
Carlos OrtizCarlos Ortiz2021-221411071.54365.856.73051.744.159.3385$998,273
Hayden BuckleyHayden Buckley2021-221812071.55569.568.2298.81.845.555.7301$826,087
Maverick McNealyMaverick McNealy2021-221612070.25468.157.7304.41.746.757.4732$2,004,274
Patton KizzirePatton Kizzire2021-2217110715467.653.5302.61.856.563.2279$781,659
StatMuse has season-level data for holes in one going back to the 2011-12 season.