De'Anthony Melton has the lowest defensive rating by a guard this season, with a 110.2 rating.

nba defensive rating guards leader
Interpreted as:
NBA defensive rating with a minimum of 2000 minutes played per 82 team games guards leader this regular season
2022-23Melton2022-23Mitchell2022-23Holiday2022-23Morant2022-23Harden2022-23LeVert2022-23Doncic2022-23Edwards2022-23Allen2022-23Garland2022-23Herro2022-23White2022-23Westbrook2022-23Gilgeous-Alexander2022-23Brooks2022-23DeRozan2022-23Giddey2022-23Brown2022-23Williams2022-23LaVine2022-23Caldwell-Pope2022-23Dosunmu110.2110.5110.6111.1112.0112.0112.2112.2112.6112.6112.6112.7112.9113.0113.5113.6113.7113.9113.9114.1114.4114.6
NAMESEASONTMGPDRTGMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
De'Anthony MeltonDe'Anthony Melton2022-23
PHIPHI
57110.228.210.44.12.61.60.51.43.78.742.42.15.339.80.81.178.31,606590232151943178142+47
Donovan MitchellDonovan Mitchell2022-23
CLECLE
53110.535.427.24.04.81.50.42.79.519.847.93.79.438.94.55.287.61,8751,4412132538221143127+261
Jrue HolidayJrue Holiday2022-23
MILMIL
50110.632.919.75.27.11.20.43.07.515.947.02.46.338.22.32.785.91,647985258356621814994+311
Ja MorantJa Morant2022-23
MEMMEM
51111.132.627.26.08.21.10.33.59.720.846.41.65.231.16.38.574.31,6621,389306417551317786+261
James HardenJames Harden2022-23
PHIPHI
44112.036.721.66.210.71.30.63.46.514.545.02.97.339.35.66.586.41,614950272471552615188+230
Caris LeVertCaris LeVert2022-23
CLECLE
58112.030.011.63.94.00.80.21.64.210.141.11.54.236.01.82.572.01,738672225231481495128+125
Luka DoncicLuka Doncic2022-23
DALDAL
53112.236.433.28.88.11.50.53.611.222.250.62.77.834.98.011.073.11,9301,7594654287927192140+119
Anthony EdwardsAnthony Edwards2022-23
MINMIN
64112.236.424.65.94.51.70.73.48.919.545.82.67.336.34.25.477.72,3271,57737728910744218158+58
Grayson AllenGrayson Allen2022-23
MILMIL
57112.627.610.53.32.40.80.21.13.47.744.12.04.940.21.71.989.71,57359719013647106393+173
Darius GarlandDarius Garland2022-23
CLECLE
54112.635.121.92.67.91.30.12.97.516.146.82.66.142.14.34.986.81,8961,182143424687156114+300
Tyler HerroTyler Herro2022-23
MIAMIA
48112.635.420.55.74.30.90.32.47.417.143.23.08.237.12.62.992.01,699982273207411511582+109
Derrick WhiteDerrick White2022-23
BOSBOS
62112.727.712.03.33.80.70.91.14.19.045.51.84.738.42.02.386.41,718742206237445667134+343
Russell WestbrookRussell Westbrook2022-23
TOT
55112.928.815.96.17.61.10.43.65.913.942.21.24.030.23.04.566.71,5848753384196023197132-58
Shai Gilgeous-AlexanderShai Gilgeous-Alexander2022-23
OKCOKC
54113.035.531.04.75.71.61.12.910.220.250.70.92.633.89.610.690.81,9181,6742563078958155145+144
Dillon BrooksDillon Brooks2022-23
MEMMEM
55113.530.314.53.32.50.90.21.55.514.038.91.85.731.31.82.379.01,668797181139471081183+213
DeMar DeRozanDeMar DeRozan2022-23
CHICHI
56113.636.125.14.55.01.00.52.29.117.850.90.51.630.76.47.387.82,0231,4032532825530124152+97
Josh GiddeyJosh Giddey2022-23
OKCOKC
56113.730.616.07.75.80.80.53.06.914.448.30.92.930.91.31.775.31,7168984313244226166117-108
Bruce BrownBruce Brown2022-23
DENDEN
62113.928.611.13.93.51.00.61.64.49.048.71.33.538.31.01.572.21,773691241218653898144+65
Jalen WilliamsJalen Williams2022-23
OKCOKC
57113.929.312.64.23.01.30.51.55.09.951.10.92.732.51.72.277.21,669719238171732988148-67
Zach LaVineZach LaVine2022-23
CHICHI
58114.135.924.14.84.00.90.22.68.417.747.22.77.337.24.65.484.22,0811,3952782335513151129-3
Kentavious Caldwell-PopeKentavious Caldwell-Pope2022-23
DENDEN
60114.431.411.52.92.41.40.51.24.18.548.11.94.345.11.41.683.71,886688173143862773122+470
Ayo DosunmuAyo Dosunmu2022-23
CHICHI
60114.628.19.33.22.80.70.41.43.87.749.80.82.531.60.91.180.61,687560189167432182151-104
Immanuel QuickleyImmanuel Quickley2022-23
NYKNYK
62114.727.812.94.03.10.80.21.14.510.244.21.85.035.82.12.582.21,723799251192521068127+234
Fred VanVleetFred VanVleet2022-23
TORTOR
51114.836.919.44.46.71.60.61.96.316.239.03.08.733.93.74.289.31,882988222341803195145+57
Scottie BarnesScottie Barnes2022-23
TORTOR
60114.935.315.57.14.81.00.92.06.013.245.11.03.130.62.63.476.22,1169274232886155122133+106
StatMuse has season-level data for defensive rating going back to the 1973-74 season.