The Detroit Lions got an unexpected jump on the post-cut day transaction frenzy by signing running back Adrian Peterson.

Yeah, that Adrian Peterson. AD. The fifth-leading rusher in NFL history. The four-time All-Pro, seven-time Pro Bowler who tormented the Lions for so many years while a member of the Minnesota Vikings.

It's a stunning shot of espresso to my black coffee on a holiday weekend morning. That seems to be the reaction from most Lions fans, and I share in it, too.

"Holy (insert expletive of your choosing) I didn't see that coming!"

While my Lions Wire colleague Erik Schlitt did offer the...