GOOD for you and I would as well if he chose that. Ben would engage in conversation but in the event he wasn't having it I'd leave him alone as well. I'm not a needy fan but a good conversationalist and respect the conversation.
Salute the nation
You'd be all like, "uh, hi Mr. Roethlisberger? I-I'm a huge Steeler fan, a-and a huge fan of yours in p-p-particular an' h'whatnot..." Ben would be courteous and be like, "thanks, appreciate it", and go back to reading his copy of War & Peace, obviously not looking to conversate with strange randos. Then you'd start prattling on about "wholly ****" this, and "red hot poker" that, and Ben would cut you off and be like, "sorry, but, I'm just trying to relax before this game tomorrow night", as he puts in his earbuds, reclines his seat and puts on a sleep mask. That's when you'd lose your **** and start yelling at Ben, you'd be all huffin' and a'puffin' about indignities an' whatnot, all like...