Three teams are on the brink of elimination in the NBA playoffs.  The Timberwolves avoided a four-game sweep by pulling out a 114-108 overtime win over the Denver Nuggets in Minneapolis.  The Knicks edged closer to a series win after defeating the Cavaliers 102-93 to take a 3-1 series lead.  The Celtics are in a similar position after knocking off the Atlanta Hawks 129-121 to take a 3-1 lead.  The defending NBA champion Warriors responded with another big win, defeating the Sacramento Kings 126-125 to even the series at two games apiece.  The NBA playoffs continue on Monday, with the Lakers hosting the Memphis Grizzlies for Game Four and the Milwaukee Bucks visiting the Heat for Game Four.  Los Angeles and Miami both lead their respective series 2-1