Sixteen teams were invited to the NBA's second season last month, and now, only four remain.
So far, we've seen a No. 8 seed (Philadelphia) take out a No. 1 seed (Chicago), we've witnessed a number of devastating injuries (Derrick Rose, Baron Davis and Iman Shumpert), and we've watched the Boston Celtics make one more improbable postseason run before the "Big 3" era comes to a close.
With only three more series before a champion is crowned, let's take a look back at the five biggest surprises of the playoffs so far.