Bernhard Langer had the worst putting average in 2017-18, with 1.9 putts per hole.

who had the highest putting average in 2018
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2017-18Langer2017-18Uresti2017-18Slocum2017-18Kelly2017-18Beljan2017-18Micheel2017-18Couch2017-18Couples2017-18Singh2017-18Daly2017-18Herman2017-18Rollins2017-18Senden2017-18Noh2017-18Matteson2017-18Bae2017-18Allenby2017-18Lancaster2017-18Blanks2017-18Els2017-18Ogilvy2017-18Davis1.91.91.91.91.91.91.91.91.91.91.91.81.81.81.81.81.81.81.81.81.81.8
NAMESEASONEVENTSPUTTING AVGTOP 10WINSSCORING AVGROUNDSGIR%FWY%DRIVING DISTANCE AVGSAND SAVE%SCRAMBLING %FEDEXCUP POINTSMONEY
Bernhard LangerBernhard Langer2017-1821.90070.8868.176.7267.850.065.20$130,200
Omar UrestiOmar Uresti2017-18101.90073.42561.672.127443.654.50$21,278
Heath SlocumHeath Slocum2017-1851.90073.91463.375.0268.950.060.60$37,814
Jerry KellyJerry Kelly2017-1831.90070.4773.872.2286.353.369.70$108,500
Charlie BeljanCharlie Beljan2017-1891.90074.12461.463.1305.346.748.20$21,344
Shaun MicheelShaun Micheel2017-1841.90073.31063.368.6279.841.762.10$6,930
Chris CouchChris Couch2017-1851.90073.91058.358.8281.156.352.00$13,000
Fred CouplesFred Couples2017-1811.90072.2462.571.4273.971.466.70$46,200
Vijay SinghVijay Singh2017-18101.90072.23164.560.329540.751.50$95,334
John DalyJohn Daly2017-1871.90073.61662.956.7295.347.850.50$18,362
Jim HermanJim Herman2017-1891.90073.22568.069.329432.643.80$46,962
John RollinsJohn Rollins2017-1891.80073.62065.460.3284.226.352.70$15,598
John SendenJohn Senden2017-1871.80072.32067.866.4288.847.160.30$68,604
Seung-Yul NohSeung-Yul Noh2017-1811.80071.8463.967.964.361.50$44,516
Troy MattesonTroy Matteson2017-1871.80073.51660.861.6300.350.048.70$39,000
Sang-Moon BaeSang-Moon Bae2017-18171.80072.44362.060.1297.651.156.10$184,057
Robert AllenbyRobert Allenby2017-1881.80073.11966.065.6286.952.051.00$19,970
Neal LancasterNeal Lancaster2017-1811.80073.9466.746.427550.066.70$6,930
Kris BlanksKris Blanks2017-1861.80072.91666.273.2285.631.850.70$18,998
Ernie ElsErnie Els2017-18151.800724063.754.6297.245.358.10$102,868
Geoff OgilvyGeoff Ogilvy2017-18181.80072.64562.363.3287.643.153.40$93,947
Brian DavisBrian Davis2017-18121.80072.63466.368.1279.247.653.90$60,851
Rick LambRick Lamb2017-18101.80073.12464.457.6305.541.754.60$14,136
Zecheng DouZecheng Dou2017-18231.80072.85163.754.8291.946.551.60$90,993
Satoshi KodairaSatoshi Kodaira2017-18181.81172.24860.665.0293.240.252.80$1,471,462
StatMuse has season-level data for putting average going back to the 1979-80 season.