[The Greens had two times in the Eastern Conference Finals, reversing behind 1-3, and finally won the championship] Today, the Celtics lost to the Heat 109-112, a big score behind 1-3. In the history of the Celtics, there have been two times in the Eastern Conference finals to complete the reversal behind 1-3, and finally promoted. The first time was in the Eastern Conference Finals in 1968. The Celtics fell behind the 76ers 1-3, and eventually reversed and advanced, defeating the Lakers 4-2 in the Finals to win. The second time was the Eastern Conference Finals in 1981. The Celtics fell behind the 76ers 1-3, and eventually reversed and advanced, defeating their opponent 4-2 in the finals to win the championship.