Watch: Peterson explains why he prefers to be called 'AD' over 'AP'

Just so we're all on the same page now: Adrian Peterson would prefer you use the nickname "A.D." instead of "A.P."

The new New Orleans Saints running back has been called by A.D. (or All Day) since he was a kid, including most of his NFL career, but some fans of his new team didn't get the memo.

Now they know.