Peyton Manning’s stats compare not-so-favorably to someone else’s

How bad of a year is Peyton Manning having? It’s one thing to look at his numbers in isolation. It’s quite another to compare them to someone else’s. So far this year, Manning has thrown 237 passes, with 146 completions for 1,524 yards. That’s an average of 6.4 yards per attempt. He also has thrown…