The Red Sox asked their fans to imagine a world without David Ortiz, then spent the rest of a pregame ceremony reminding the city what he has meant to the franchise. Opening the festivities with John Lennon's ''Imagine'' accompanying highlights from Ortiz's career, the Red Sox celebrated their retiring designated hitter before Monday's home opener. Hall of Famers Bobby Orr and Bill Russell, along with Patriots defensive back Ty Law, shared the pitcher's mound with Ortiz for the first pitch. More...