4 quarterbacks are tied for the best passing touchdown percentage by a quarterback in a season, at 100.0 percent. The first three are Tommy Maddox in 1993, Guido Merkens in 1985 and Chuck Fusina in 1981.

best td% for qb for a season
1993Maddox1985Merkens1981Fusina1935Kirkman2018Sudfeld1992Conklin1987Ingram1969Sherman1960Waters1957Clatterbuck1956Kerkorian2006Testaverde2004Matthews1987Quarles1986Rutledge1934Masterson1987Collier2016Romo2009St. Pierre2008Smith1987Stevens1983Bradshaw1980Nielsen100.0100.0100.0100.050.050.050.050.050.050.050.033.333.333.333.333.328.625.025.025.025.025.025.0
NAMESEASONTMGPTD%CMPATTPCTYDSAVGYDS/GTDINTINT%SCKSCKYRATE
Tommy MaddoxTommy Maddox1993DENDEN16100.011100.011.00.1100.000118.8
Guido MerkensGuido Merkens1985NONO16100.011100.077.00.4100.0110135.4
Chuck FusinaChuck Fusina1981TBTB4100.011100.022.00.5100.000118.8
Red KirkmanRed Kirkman1935PHIPHI1100.011100.011.01.0100.0118.8
Nate SudfeldNate Sudfeld2018PHIPHI250.01250.02211.011.0100.000129.2
Cary ConklinCary Conklin1992WASWAS150.022100.0168.016.0100.000139.6
Kevin IngramKevin Ingram1987NONO250.01250.052.52.5100.01695.8
Tom ShermanTom Sherman1969TOT550.022100.02010.04.0100.000147.9
Bob WatersBob Waters1960SFSF850.022100.06130.57.6100.0158.3
Bobby ClatterbuckBobby Clatterbuck1957NYGNYG150.022100.03919.539.0100.0158.3
Gary KerkorianGary Kerkorian1956BALBAL350.022100.05929.519.7100.0158.3
Vinny TestaverdeVinny Testaverde2006NENE333.32366.7299.79.7100.000137.5
Shane MatthewsShane Matthews2004BUFBUF333.32366.74414.714.7100.000149.3
Bernard QuarlesBernard Quarles1987RAMRAM133.31333.34013.340.01133.30081.9
Jeff RutledgeJeff Rutledge1986NYGNYG1633.31333.3134.30.8100.00087.5
Bernie MastersonBernie Masterson1934CHBCHB933.333100.03913.04.3100.0158.3
Reggie CollierReggie Collier1987PITPIT228.64757.111015.755.02114.313101.8
Tony RomoTony Romo2016DALDAL125.03475.0297.329.0100.000134.4
Brian St. PierreBrian St. Pierre2009ARIARI125.02450.0123.012.01125.00056.3
Troy SmithTroy Smith2008BALBAL625.03475.08220.513.7100.011156.3
Mark StevensMark Stevens1987SFSF225.02450.05213.026.0100.000135.4
Terry BradshawTerry Bradshaw1983PITPIT125.05862.5779.677.0200.000133.9
Gifford NielsenGifford Nielsen1980HOUHOU1625.02450.0123.00.8100.00095.8
Carlos BrownCarlos Brown1975GBGB1325.03475.06315.84.8100.000156.3
Steve SpurrierSteve Spurrier1970SFSF1425.03475.04912.33.5100.000155.2
StatMuse has season-level data for passing touchdown percentage going back to the 1932 season.

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