Johnny Unitas – 1967
The legendary Unitas won three MVP awards across his glittering career. The first came in 1959 but arguably the greatest individual season was in 1967. He threw 34 touchdown passes as the Colts took the league by storm. Many people regard Unitas as the first great modern quarterback and this season proves why.

Perhaps his passing stats don’t correspond with the modern sport. But many analysts and NFL historians rate him as the best pure passer the sport has ever seen. He famously accumulated an amazing touchdown pass streak that lasted for 49 games. This was unfathomable at the time (via Medium).