MAGIC/PACERS Danny Granger scored 25 points to help the Pacers defeat the Orlando Magic 105-87 on Tuesday night and clinch their first-round Eastern Conference playoff series 4-1. Darren Collison scored 15 of his 19 points in the fourth quarter and George Hilladded 15 points for the Pacers. Nelson led Orlando with 27 points and made 5 of 8 3-pointers. Glen Davis, a thorn in Indiana’s side throughout the series, scored 15 but made just 6 of 17 shots. CELTICS/HAWKS Al Horford scored 19 points, hit Atlanta’s final two baskets and came