PHILADELPHIA – Jonathan Greenard wasted little time getting immersed in the Philadelphia culture. Not just inside the Eagles’ Jefferson Health Training Complex, but outside of those confines, too. The Eagles’ recently acquired pass rusher, acquired in a Friday night trade from the Minnesota Vikings then signing a new four-year deal worth $100 million, has never played inside his new home, Lincoln Financial Field. He said he was here for a preseason game last summer with Minnesota, but those games don’t have the same, let’s say urgency, from the fan base. Greenard waw that up close on Friday night when he went to Game 3 of the Sixers’ playoff game against the Boston Celtics, shortly after passing his physical and signing his new contract. He was blown away by the atmosphere. “To only get a taste of what the Sixers game was (Friday) night, and man, they lost but, that was a crazy environment,” he said Saturday morning.…