The Eagles’ DC has plenty of history with the four-time NFL MVP PHILADELPHIA – No prompting needed. When Jonathan Gannon took to the podium Tuesday at the NovaCare Complex, the Eagles defensive coordinator already had the name holstered. “Big challenge coming in this week with Green Bay and A-Rod [Packers QB Aaron Rodgers], and we’ll be excited to play on Sunday Night Football,” Gannon said. The four-time NFL MVP is set to arrive at Lincoln Financial Field in the midst of a rare down year for the Packers, an organization that has had Hall of Fame quarterback play for three…