Peyton Manning lost his most games in a season in his rookie season in 1998, with 13 losses.

peyton manning is biggest loss
Interpreted as:
Peyton Manning is biggest loss in a regular season
1998Manning2001Manning2010Manning2002Manning2000Manning2014Manning2008Manning2006Manning2004Manning2003Manning2013Manning2012Manning2007Manning1999Manning2015Manning2009Manning2005Manning1310666444443333222
NAMESEASONTMGPLCMPATTPCTYDSAVGYDS/GTDTD%INTINT%SCKSCKYRATE
Peyton ManningPeyton Manning1998INDIND161332657556.73,7396.5233.7264.5284.92210971.2
Peyton ManningPeyton Manning2001INDIND161034354762.74,1317.6258.2264.8234.22923284.1
Peyton ManningPeyton Manning2010INDIND16645067966.34,7006.9293.8334.9172.5169191.9
Peyton ManningPeyton Manning2002INDIND16639259166.34,2007.1262.5274.6193.22314588.8
Peyton ManningPeyton Manning2000INDIND16635757162.54,4137.7275.8335.8152.62013194.7
Peyton ManningPeyton Manning2014DENDEN16439559766.24,7277.9295.4396.5152.517118101.5
Peyton ManningPeyton Manning2008INDIND16437155566.84,0027.2250.1274.9122.2148695.0
Peyton ManningPeyton Manning2006INDIND16436255765.04,3977.9274.8315.691.61486101.0
Peyton ManningPeyton Manning2004INDIND16433649767.64,5579.2284.8499.9102.013101121.1
Peyton ManningPeyton Manning2003INDIND16437956667.04,2677.5266.7295.1101.81810799.0
Peyton ManningPeyton Manning2013DENDEN16345065968.35,4778.3342.3558.3101.518120115.1
Peyton ManningPeyton Manning2012DENDEN16340058368.64,6598.0291.2376.3111.921137105.8
Peyton ManningPeyton Manning2007INDIND16333751565.44,0407.8252.5316.0142.72112498.0
Peyton ManningPeyton Manning1999INDIND16333153362.14,1357.8258.4264.9152.81411690.7
Peyton ManningPeyton Manning2015DENDEN10219833159.82,2496.8224.992.7175.1169567.9
Peyton ManningPeyton Manning2009INDIND16239357168.84,5007.9281.3335.8162.8107499.9
Peyton ManningPeyton Manning2005INDIND16230545367.33,7478.3234.2286.2102.21781104.1

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