Marty Appel, the Yankee fan's Yankee fan, has been a part of the team's universe for nearly a half a century - or even more if you count his time as a young fan. He had personal contact with all of the legends, from Yogi, Casey, and Mickey to Rizzuto, Torre, and Jeter. Who better to teach your kids about the Yanks?
Winning sports franchises focus on product, customer and brand over time. Different people may describe these differently. But they are all talking about the same things. Except it's actually the same one thing because long-term success requires the three to be inextricably linked in a culture of winning.