The Oakland Ballers delivered in their inaugural season, reviving the city’s baseball legacy with a wining season and a playoff berth. “Welcome to the next chapter of baseball in Oakland,” blares a voice over the public address system in Raimondi Park, the B’s home field in West Oakland.  Fans have flocked to the bleachers, nearly 2,000 on average at each home game. Only a few thousand more have been going to the Coliseum to see the A’s play their last…