Brian Harman has the most career rounds, with 964 rounds.

who had the most bogey-free rounds on oga
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HarmanHowell IIIEnglishStreelmanBradleyHoffmanReedStuardHorschelTringaleKucharWoodlandKokrakJohnsonBrownKirkKnoxSnedekerSimpsonLeishmanJonesSteele964899891887887874867863860856855847845840832826822818810807805804
NAMEEVENTSROUNDSBOGEYSTOP 10WINSMONEY
Brian HarmanBrian Harman3729642,362422$21,778,454
Charles Howell IIICharles Howell III3398992,125401$19,236,370
Harris EnglishHarris English3458912,206384$22,239,040
Kevin StreelmanKevin Streelman3418872,207342$19,121,802
Keegan BradleyKeegan Bradley3358872,276452$27,008,600
Charley HoffmanCharley Hoffman3348742,297362$22,480,680
Patrick ReedPatrick Reed2488672,149559$36,321,768
Brian StuardBrian Stuard2808632,216231$11,223,183
Billy HorschelBilly Horschel3038602,091516$30,417,840
Cameron TringaleCameron Tringale3348562,081260$15,034,324
Matt KucharMatt Kuchar3098551,962716$37,450,032
Gary WoodlandGary Woodland3048472,098443$26,720,316
Jason KokrakJason Kokrak3198452,059333$20,225,854
Zach JohnsonZach Johnson3198402,081455$25,831,391
Scott BrownScott Brown3218322,149251$10,654,046
Chris KirkChris Kirk3218261,914313$18,769,187
Russell KnoxRussell Knox3098221,876252$16,388,808
Brandt SnedekerBrandt Snedeker3098182,071517$29,178,062
Webb SimpsonWebb Simpson2908101,904645$35,205,406
Marc LeishmanMarc Leishman3068072,106486$30,608,372
Matt JonesMatt Jones2948052,020202$13,964,652
Brendan SteeleBrendan Steele3078042,046302$17,034,956
Scott StallingsScott Stallings3288042,116232$11,799,842
Jimmy WalkerJimmy Walker3217992,168386$22,907,896
Bill HaasBill Haas3107992,000353$18,926,379
StatMuse has season-level data for bogeys going back to the 2011-12 season.