Michael Jordan has averaged the most career blocks per game by a shooting guard with 0.9 per game.

most blocks per game by a shooting guard in history
Interpreted as:
most blocks per game with a minimum of 400 games played by a shooting guard in history
JordanWadeHarperJohnsonThompsonGervinMcGradyGreenSprewellDrexlerDayCooperAndersonJonesChenierThompsonHardenStackhouseHassellCarterBrewerBryantChristieChaneyBazemore0.90.90.80.80.80.80.80.80.70.70.60.60.60.60.60.50.50.50.50.50.50.50.50.50.5
NAMEGPBPGMPGPPGRPGAPGSPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Michael JordanMichael Jordan9300.938.631.56.35.42.52.811.823.350.50.61.833.27.38.783.835,88729,2775,8365,0122,3068282,5892,493+1416
Dwyane WadeDwyane Wade9260.934.723.14.85.61.63.28.417.448.20.51.829.35.87.576.732,11121,4094,4345,1981,4738042,9902,064+2717
Ron HarperRon Harper6440.834.317.44.84.52.02.96.714.944.70.62.028.63.54.972.122,10811,2083,1102,8931,2935471,8431,634-96
Dennis JohnsonDennis Johnson4830.831.314.94.33.51.42.55.512.544.30.10.518.23.85.076.815,1327,2042,0741,6726833999871,414
David ThompsonDavid Thompson5090.832.022.13.83.20.92.68.316.450.40.10.327.75.57.177.816,30511,2641,9211,6314594071,1291,287
George GervinGeorge Gervin7090.833.626.54.42.81.23.010.320.350.80.10.529.75.86.884.523,83118,8133,1531,9768365662,1372,045
Tracy McGradyTracy McGrady6180.834.421.55.84.91.32.37.818.043.71.33.934.34.56.074.921,25213,2943,5613,0177874871,4291,084+946
Danny GreenDanny Green6950.825.78.93.51.61.01.03.27.542.21.94.839.90.70.880.617,8816,1942,4411,1067285386981,239+3090
Latrell SprewellLatrell Sprewell4000.740.020.14.34.71.73.17.116.243.61.44.233.24.65.879.116,0098,0321,7251,8626962691,247761-395
Clyde DrexlerClyde Drexler10860.734.620.46.15.62.02.77.716.347.20.82.431.84.35.578.837,53722,1956,6776,1252,2077192,9773,285+434
Todd DayTodd Day4830.625.312.33.41.51.11.54.210.440.61.23.434.52.63.673.912,2145,9171,6497135322917171,348-78
Michael CooperMichael Cooper8730.627.18.93.24.21.21.63.57.446.90.51.434.01.51.883.323,6357,7292,7693,6661,0335231,4292,329
Willie AndersonWillie Anderson4740.627.911.13.53.70.91.94.69.846.40.20.727.11.82.278.913,2365,2631,6651,7334442809021,205-13
Eddie JonesEddie Jones8240.634.115.04.02.91.71.65.212.043.81.64.437.42.93.581.128,05812,3573,2582,4141,4094841,3152,104+1806
Phil ChenierPhil Chenier4260.632.517.73.52.91.61.47.316.344.70.10.340.03.13.881.813,8597,5371,5071,236682238157792
Klay ThompsonKlay Thompson6150.533.119.53.52.30.91.77.316.045.92.97.041.91.92.384.820,33811,9952,1301,4165613321,0531,313+3676
James HardenJames Harden7250.534.023.45.15.91.53.46.915.644.52.56.936.57.08.285.724,61717,0013,6704,2971,0953872,4361,859+2735
Jerry StackhouseJerry Stackhouse7340.533.118.23.33.41.02.95.914.541.01.13.530.45.26.481.624,33113,3242,4572,4987003802,1331,477-202
Trenton HassellTrenton Hassell4760.528.06.73.02.10.51.02.86.244.80.20.632.91.01.376.613,3053,1921,4459902312444981,126-928
Vince CarterVince Carter8340.531.316.84.33.31.01.86.114.142.91.54.137.03.24.080.726,13414,0373,6052,7558344231,4842,223+1273
Ron BrewerRon Brewer4810.526.112.12.01.91.01.45.111.145.80.10.325.21.92.382.212,5665,824950903474243697812
Kobe BryantKobe Bryant12800.536.525.45.34.81.53.08.819.645.11.34.033.46.47.683.746,77432,4826,8006,1221,8826273,8813,238+4724
Doug ChristieDoug Christie7650.532.611.64.23.71.92.14.09.542.51.02.835.12.53.182.424,9618,8733,2172,8671,4823721,6211,899+1091
Don ChaneyDon Chaney4200.522.26.93.42.01.20.92.96.942.40.00.116.71.11.480.69,3062,9131,4088444921961591,069
Kent BazemoreKent Bazemore4820.519.68.02.81.81.01.42.96.941.71.02.835.91.31.870.09,4263,8651,344865471224660919-782
StatMuse has season-level data for blocks per game going back to the 1973-74 season.