During the 2021 NFL season, nine quarterbacks exceeded 30 touchdown passes and ten more quarterbacks recorded, at least, 20 touchdown passes. The passing game continues to grow in importance in the modern version of football, resulting in massive passing statistics annually.Th 2022 NFL season is just a couple of months away, and it's fair to expect another year featuring elite quarterback performances. Here are five who could potentially lead the entire NFL in passing touchdowns during the upcoming 2022 season.#5 - Josh Allen, Buffalo BillsBuffalo Bills quarterback Josh AllenJosh Allen has consistently improved his skillset since entering the league and is now among the elite class of quarterbacks. Over the last two seasons, Allen has combined for a massive 73 touchdown passes in the high-powered Buffalo Bills offense.Allen will enter the 2022 NFL season as one of the clear favorites to be in contention for the NFL MVP award for the first time in his developing career. Leading the league in touchdown passes would significantly improve his chances of winning the award.#4 - Patrick Mahomes, Kansas City ChiefsKansas City Chiefs quarterback Patrick MahomesPatrick Mahomes is one of the safest bets to be among the league leaders on touchdown passes during the 2022 NFL season. He has recorded 75 passing touchdowns over the last two years and 151 over the last four seasons since being named the starting quarterback. He threw for 50 touchdowns during his 2018 MVP season, making him one of only three players ever to complete, at least, 50.NFL@NFLRemember when @PatrickMahomes threw a career-high six touchdown passes in just his third career start?2899274Remember when @PatrickMahomes threw a career-high six touchdown passes in just his third career start? https://t.co/fmHZtoFFF6Head coach Andy Reid's offensive system for the Kansas City Chiefs is extremely pass-heavy. His signature scheme combined with Mahomes' incredible arm talent has been a perfect recipe for massive passing statistics every season so far.