Despite the futility of the last two decades of Royals baseball, they have always retained the best all-time record among the '69ers. The Nationals are starting to nip at their heels though.
More importantly, the Royals have also tasted by far the most playoff action and success:
|WS=championships, Penn=World Series appearances, Poff=playoff appearances|
When the four teams play each other, the Royals again come out in front with the best winning percentage. As the only team remaining in the American League, they don't see the other '69 babies too often anymore, but they really beat up on the Brewers when Milwaukee was still an AL town: