The Celtics can be a legitimate threat to win the East, the thinking goes, but will need a big, multi-faceted center who can match up both with Philadelphia’s interior behemoth Joel Embiid to do so. and Milwaukee’s perimeter-oriented Brook Lopez. Among the candidates: Indiana’s Myles Turner and San Antonio’s LaMarcus Aldridge. But the Pacers would be unlikely, sources have told Heavy.com, to trade Turner in the Eastern Conference, if at all.