What was up with the guys wearing Frank Caliendo hats last night?

So I was watching the Boston Orlando game last night and I saw lik 2 guys wearing Frank Caliendo trucker hats behind the color-guys. Why? Why would anybody wear a hat that says Frank Caliendo on it and just that? It has no significance. Is it advertisement for Frank TV or something? Well anyway, it's not a huge deal. It just doesn't make sense to me. Somebody explain.