(Photo by Robin Alam/Icon Sportswire via Getty Images) SANTA CLARA, Calif. - The script has flipped in the nearly three years since the previous meeting between the Philadelphia Eagles and San Francisco 49ers.The Niners left Philadelphia that day after a lopsided loss as a winless team in coach Kyle Shanahan’s first season with a thin roster so battered by injuries they nearly had to play a tight end at tackle.“That was a game I’ve tried to forget,” Shanahan said this week. “That was a very miserable game.”The 49ers returned home with an 0-8 record, acquired quarterback Jimmy Garoppolo in a trade the next day and have transformed into a power that went to the Super Bowl a year ago.FULL COVERAGE: PHILADELPHIA EAGLESThe Eagles (0-2-1) went on.