As they swept away discarded hot-dog wrappers and hot-chocolate-smeared Dixie cups and dismantled the portable bleachers that had swelled the old stadium's capacity by 7,000 that Monday afternoon, the Franklin Field workmen couldn't have known they were tidying up after the first shot in a green revolution.
If you weren't tuned in closely to Philadelphia sports in the days that followed, you could have missed the early signs of the coming transformation: the caffeine-fueled football chatter at Center City coffee shops, the unusual lines outside the Philadelphia Eagles' tiny offices at 15th and Locust Streets.
It all began on Monday, Dec. 26, 1960, when the Eagles - 2-9-1 in 1958, when they averaged 28,000 a game - defeated Vince Lombardi's Green Bay Packers, 17-13, capturing both the NFL championship and, as soon became clear, the hearts and minds of this city's sports fans.