Patrick Ewing had the lowest defensive rating in 1992-93, with a 94.2 rating.

best player defensive rating nba 1993
Interpreted as:
best player defensive rating with a minimum of 2000 minutes played per 82 team games NBA 1993
1992-93Ewing1992-93Olajuwon1992-93Oakley1992-93Robinson1992-93Smith1992-93Kemp1992-93O'Neal1992-93Mason1992-93Coleman1992-93Mutombo1992-93Jordan1992-93Rodman1992-93Starks1992-93Robinson1992-93Barkley1992-93Divac1992-93Malone1992-93Bowie1992-93Nance1992-93Parish1992-93Morris1992-93Pippen1992-93Williams1992-93Cage1992-93Daugherty94.296.197.799.9100.0100.1100.4100.7101.3101.5102.4102.5102.6102.6102.6103.2103.2103.3103.4103.5103.5103.7103.8103.9104.6
NAMESEASONTMGPDRTGMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Patrick EwingPatrick Ewing1992-93NYKNYK8194.237.124.212.11.90.92.03.39.619.150.30.00.114.34.96.971.93,0031,95998015174161265286
Hakeem OlajuwonHakeem Olajuwon1992-93HOUHOU8296.139.526.113.03.51.84.23.210.319.552.90.00.10.05.47.077.93,2422,1401,068291150342262305
Charles OakleyCharles Oakley1992-93NYKNYK8297.727.26.98.61.51.00.21.52.75.350.80.00.00.01.52.172.22,2305657081268515124289
David RobinsonDavid Robinson1992-93SASSAS8299.939.223.411.73.71.53.22.98.216.450.10.00.217.66.89.373.23,2111,916956301127264241239
Charles SmithCharles Smith1992-93NYKNYK81100.026.812.45.31.80.61.21.94.49.446.90.00.00.03.54.578.22,1721,0034321424896155254
Shawn KempShawn Kemp1992-93SEASEA78100.133.117.810.72.01.51.92.86.613.449.20.00.10.04.66.471.22,5821,388833155119146217327
Shaquille O'NealShaquille O'Neal1992-93ORLORL81100.437.923.413.91.90.73.53.89.016.156.20.00.00.05.38.959.23,0711,8931,12215260286307321
Anthony MasonAnthony Mason1992-93NYKNYK81100.730.610.37.92.10.50.21.73.97.850.20.00.02.53.668.22,4828316401704319137240
Derrick ColemanDerrick Coleman1992-93NJNNJN76101.336.320.711.23.61.21.73.27.416.146.00.31.323.25.56.980.82,7591,57285227692126243210
Dikembe MutomboDikembe Mutombo1992-93DENDEN82101.536.913.813.01.80.53.52.64.99.551.00.00.04.16.068.13,0291,1311,07014743287216284
Michael JordanMichael Jordan1992-93CHICHI78102.439.332.66.75.52.80.82.712.725.749.51.02.935.26.17.383.73,0672,54152242822161207188
Dennis RodmanDennis Rodman1992-93DETDET62102.538.97.518.31.60.80.71.73.06.942.70.21.220.51.42.653.42,4104681,1321024845103201
John StarksJohn Starks1992-93NYKNYK80102.631.017.52.65.11.10.22.26.415.042.81.44.232.13.34.179.52,4771,3972044049112173234
Clifford RobinsonClifford Robinson1992-93PORPOR82102.631.419.16.62.21.22.02.17.716.347.30.20.924.73.55.169.02,5751,57054218298163173287
Charles BarkleyCharles Barkley1992-93PHXPHX76102.637.625.612.25.11.61.03.19.418.152.00.92.930.55.97.776.52,8591,94492838511974233196
Vlade DivacVlade Divac1992-93LALLAL82103.230.812.88.92.81.61.72.64.810.048.50.30.928.02.94.268.92,5251,050729232128140214311
Karl MaloneKarl Malone1992-93UTAUTA82103.237.827.011.23.81.51.02.99.717.655.20.00.220.07.510.274.03,0992,21791930812485240261
Sam BowieSam Bowie1992-93NJNNJN79103.326.59.17.01.60.41.61.53.68.145.00.00.133.31.82.377.92,09271755612732128120226
Larry NanceLarry Nance1992-93CLECLE77103.435.816.58.72.90.72.61.46.912.654.90.00.10.02.63.281.82,7531,26866822354198107223
Robert ParishRobert Parish1992-93BOSBOS79103.527.212.69.40.80.71.41.55.39.853.50.00.02.13.068.92,1469947406157107120201
Chris MorrisChris Morris1992-93NJNNJN77103.529.914.15.91.41.90.71.55.711.848.10.21.022.42.63.279.42,3021,08645410614452119171
Scottie PippenScottie Pippen1992-93CHICHI81103.738.618.67.76.32.10.93.07.816.447.30.31.123.72.94.366.33,1231,51062150717373246219
Buck WilliamsBuck Williams1992-93PORPOR82103.830.58.38.40.91.00.71.23.36.451.10.00.00.01.72.664.52,498678690758161101270
Michael CageMichael Cage1992-93SEASEA82103.926.36.18.00.80.90.60.72.75.152.60.00.00.00.71.646.92,15649965969764659183
Brad DaughertyBrad Daugherty1992-93CLECLE71104.637.920.210.24.40.70.82.17.312.857.10.00.050.05.56.979.52,6911,4327263125356150174
StatMuse has season-level data for defensive rating going back to the 1973-74 season.