This wasn't even supposed to be a conversation. The Celtics were almost universally thought to be done, the expiration date on their chances for a title having passed somewhere between the time Rajon Rondo had his elbow pulled out of his socket by Dwyane Wade and the March 15 trade deadline that saw Danny Ainge stand pat. But the too-old Celtics haven't looked it since the All-Star break, compiling an 18-7 record to put themselves squarely in the playoff race. If the overall record weren't enough, two recent wins over Miami suggest the Celtics can compete with the league's best. Here are 10 reasons why the Celtics may be for real.