Patrick Mahomes has the best career passer rating, with a 108.4 rating.

best qbr in nfl history
Interpreted as:
best qbr with a minimum of 1500 passing attempts by a player in NFL history
MahomesWatsonRodgersWilsonBreesPrescottCousinsBradyRomoYoungManningRiversRyanRoethlisbergerWarnerMontanaCarrAllenTannehillGoffBridgewaterStaffordPennington108.4104.5103.9102.398.798.698.297.597.196.896.595.294.693.893.792.392.291.991.991.591.090.690.1
NAMEGPRATEATTCMPPCTYDSAVGYDS/GTDTD%INTINT%SCKSCKY
Patrick MahomesPatrick Mahomes51108.41,8821,24966.415,6318.3306.51306.9301.674489
Deshaun WatsonDeshaun Watson54104.51,7481,18667.814,5398.3269.21045.9362.11741,050
Aaron RodgersAaron Rodgers202103.96,7504,39265.152,4867.8259.84226.3921.44783,220
Russell WilsonRussell Wilson149102.34,4602,91065.235,1427.9235.92776.2821.84072,664
Drew BreesDrew Brees28798.710,5517,14267.780,3587.6280.05715.42432.34202,991
Dak PrescottDak Prescott7498.62,4581,63666.619,0027.7256.81194.8431.7154942
Kirk CousinsKirk Cousins11498.23,8532,58667.129,7687.7261.12005.2862.22221,633
Tom BradyTom Brady30797.510,8656,96164.181,2687.5264.75985.51941.85303,333
Tony RomoTony Romo15697.14,3352,82965.334,1837.9219.12485.71172.72481,672
Steve YoungSteve Young16996.84,1492,66764.333,1248.0196.02325.61072.63582,055
Peyton ManningPeyton Manning26696.59,3806,12565.371,9407.7270.55395.72512.73031,953
Philip RiversPhilip Rivers24495.28,1345,27764.963,4407.8260.04215.22092.64652,842
Matt RyanMatt Ryan21094.67,6475,00865.557,0997.5271.93574.71612.14182,765
Ben RoethlisbergerBen Roethlisberger23893.88,0335,17464.461,6347.7259.04025.02052.65273,494
Kurt WarnerKurt Warner12493.74,0702,66665.532,3447.9260.82085.11283.12601,669
Joe MontanaJoe Montana19292.35,3913,40963.240,5517.5211.22735.11392.63132,095
Derek CarrDerek Carr11592.24,0352,59964.428,5017.1247.81784.4751.92121,305
Josh AllenJosh Allen4991.91,53695061.811,0777.2226.1795.1332.197638
Ryan TannehillRyan Tannehill12191.93,8512,45563.728,2467.3233.41844.8912.43232,420
Jared GoffJared Goff7491.52,6171,66763.719,4747.4263.21144.4582.21431,068
Teddy BridgewaterTeddy Bridgewater6491.01,7111,14266.712,5657.3196.3603.5372.2139940
Matthew StaffordMatthew Stafford17090.66,3964,01562.846,6967.3274.72944.61472.33892,532
Chad PenningtonChad Pennington8990.12,4711,63266.017,8237.2200.31024.1642.6162965
Carson WentzCarson Wentz7389.82,6651,67562.918,1336.8248.41204.5511.91911,234
Baker MayfieldBaker Mayfield5189.81,6511,02962.312,3557.5242.3794.8452.7104710
StatMuse has season-level data for passer rating and passing attempts going back to the 1932 season.