Here’s the “Fan up, Miami” promo that the Big Show guys were talking about on WEEI this afternoon. I like how they found a ton of people who look like they’ve never watched a basketball game in their life to plead for fans to come to the games and root, root, root for the home team. “Are you showing up on time?” “Are you too cool to cheer?” This is the NBA, people. Not the local recreation league …