Michigan coach Jim Harbaugh once lost a Super Bowl to his big brother. He once coached Andrew Luck. In fact, the Michigan coach put a lot of former players into the NFL.

Nobody denies these are things Harbaugh did.

Yet it's also indisputable he never coached Pittsburgh Steelers linebacker Ryan Shazier.

Which is why the former Ohio State great demanded answers when he appeared in a Wolverine recruiting graphic distributed by a program propaganda arm Friday night (here is a screenshot of it, because Michigan deleted the tweet):

*CSI voice* CAMERA.... ENHANCE!!!!

Yes, despite the Zapruder-like quality, that appears to be the No. 1 Google image search result for "Ryan Shazier Steelers." Makes you think...

Why am I in this picture? There is absolutely no connection with him or tTUN. @OhioStFootball #GoBucks

https://t.co/3UZ7qXPgXL — Ryan Shazier (@RyanShazier) August 20, 2016

And so concludes another chapter in the ancient blood feud we all love to know.