By Chris Rosvoglou Marcus Smart was unable to suit up for the Boston Celtics in Game 1 of the Eastern Conference Finals due to a foot sprain. The good news, however, is that he could return for Thursday night’s matchup. Per Yahoo insider Chris Haynes, Smart is “aiming” to return in Game 2. That is, of course, if his foot responds well to treatment. Smart has played a key role in the Celtics’ playoff run, averaging 15.0 points and 6.2 assists per game. There are NBA fans who believe Smart’s potential return will help the Celtics even up the series against the Miami Heat. On the flip side, some …