After seeing the bogus UM graphic this morning that included Ryan Shazer I started doing research to validate the claim of 60 players in NFL that harbaugh helped "develope". I found an arrival from the Free press from last year on this very subject with additional information.
In the original graphic UM claims 58 for Harbaugh.
But what's great is this arrival provides a proof source.
I've only checked 5 names and found the following: