He also doesn't embody the physical appearance you would expect from a future Hall of Famer.
This is a picture of a guy with a countless number of Pro Bowl and All-Pro selections, as well as two Super Bowl appearances (one win).
Manning was also ranked No. 8 on NFL Network's Top 100 players of all-time. Not only does this prove looks can be deceiving, but it epitomizes the true mind game that is pro football.
This is Manning in a skit on Saturday Night Live.
And yet the guy continues to dice up NFL defenses with his cerebral approach to the game. He's a machine, period.
Just not the Terminator type of machine, from a physical perspective.
But mentally speaking, there's arguably no better quarterback for shredding defensive schemes, making pre-snap reads and preparing on an annual basis.