Shaq makes Celtics'

debut in win over 76ersShaquille O'Neal scored eight points in his debut with the Boston Celtics and the defending Eastern Conference champions opened their preseason with a 93-65 victory over the Philadelphia 76ers on Wednesday night.Ray Allen led Boston with 14 points, including two 3-pointers, while Glen `Big Baby' Davis and Semih Erden both had 13 points.But it was "The Diesel's Debut" that grabbed much of the attention.The Celtics, who lost an epic Game 7 of the NBA finals to the Los Angeles Lakers, returned coach Doc Rivers, who considered retirement, as well as Allen and Paul Pierce - both of whom could have left via free agency.