His expertise is personal experience, as he was there that evening, was punched in the face btw, and had a relationship with the Indians' Director of Promotions, who was the person who obviously set up the promotion. The ESPN story doesn't site any sources, at least Coughlin's account is first hand, and single-removed hearsay, from the person who would have put together the night. I agree that beer is beer, but when a brand is stated, it should be correct.