Tom Brady has the most passing yards when playing 2+ seasons, with 81,268 yards.

most passing yards in 2 seasons
Interpreted as:
most passing yards by a player in 2 or more seasons
BradyBreesManningFavreRiversRoethlisbergerMarinoRyanManningRodgersElwayMoonTarkentonStaffordPalmerTestaverdeBledsoeFoutsFlaccoCollinsMontanaUnitasKrieg81.3k80.4k71.9k71.8k63.4k61.9k61.4k57.1k57.0k52.7k51.5k49.3k47.0k46.9k46.2k46.2k44.6k43.0k40.9k40.9k40.6k40.2k38.1k
NAMEGPYDSSEASCMPATTPCTAVGYDS/GTDTD%INTINT%SCKSCKYRATE
Tom BradyTom Brady30781,268226,96110,86564.17.5264.75985.51941.85303,33397.5
Drew BreesDrew Brees28780,358207,14210,55167.77.6280.05715.42432.34202,99198.7
Peyton ManningPeyton Manning26671,940176,1259,38065.37.7270.55395.72512.73031,95396.5
Brett FavreBrett Favre30271,838206,30010,16962.07.1237.95085.03363.35253,48786.0
Philip RiversPhilip Rivers24463,440175,2778,13464.97.8260.04215.22092.64652,84295.2
Ben RoethlisbergerBen Roethlisberger23961,863185,2038,07364.47.7258.84035.02052.55283,49793.8
Dan MarinoDan Marino24261,361174,9678,35859.47.3253.64205.02523.02701,93086.4
Matt RyanMatt Ryan21057,099145,0087,64765.57.5271.93574.71612.14182,76594.6
Eli ManningEli Manning23657,023164,8958,11960.37.0241.63664.52443.04112,87084.1
Aaron RodgersAaron Rodgers20352,681174,4096,77365.17.8259.54246.3921.44813,246103.9
John ElwayJohn Elway23451,475164,1237,25056.97.1220.03004.12263.15163,78579.9
Warren MoonWarren Moon20849,325173,9886,82358.47.2237.12914.32333.44583,41580.9
Fran TarkentonFran Tarkenton24647,003183,6866,46757.07.3191.13425.32664.12742,33780.4
Matthew StaffordMatthew Stafford17146,947134,0376,42462.87.3274.52984.61482.33912,54990.8
Carson PalmerCarson Palmer18246,247143,9416,30762.57.3254.12944.71873.03402,36487.9
Vinny TestaverdeVinny Testaverde23346,233213,7876,70156.56.9198.42754.12674.04172,99275.0
Drew BledsoeDrew Bledsoe19444,611143,8396,71757.26.6230.02513.72063.14673,13577.1
Dan FoutsDan Fouts18143,040153,2975,60458.87.7237.82544.52424.33192,30480.2
Joe FlaccoJoe Flacco17640,931133,7446,06661.76.7232.62243.71442.43662,62384.1
Kerry CollinsKerry Collins19840,922173,4876,26155.76.5206.72083.31963.13372,23073.8
Joe MontanaJoe Montana19240,551153,4095,39163.27.5211.22735.11392.63132,09592.3
Johnny UnitasJohnny Unitas21140,239182,8305,18654.67.8190.72905.62534.97459078.2
Dave KriegDave Krieg21338,147193,1055,31158.57.2179.12614.91993.74943,79481.5
Boomer EsiasonBoomer Esiason18737,920142,9695,20557.07.3202.82474.71843.53182,43881.1
Donovan McNabbDonovan McNabb16737,276133,1705,37459.06.9223.22344.41172.24102,62685.6
StatMuse has season-level data for passing yards going back to the 1932 season.