Cris Collinsworth was a good, but not great, NFL receiver. Over his eight seasons with the Cincinnati Bengals, he made three all-pro teams and played in two Super Bowls, with Cincy losing both times. Collinsworth had an excellent career, but his résumé won’t get him into the Pro Football Hall of Fame. As a broadcaster, though, he’s one of the all-time greats, providing context that most viewers don’t possess in real time. He can break down coverage and explain zone-blocking schemes in ways that make viewers smarter about the game, and he can be unflinching in his criticism when he calls out poor decisions by players, coaches, or even officials. Greatness in the broadcast booth and greatness on the field are very different things. In other…