Jim Davis/Globe Staff

Since Paul Pierce, Ray Allen, and Kevin Garnett formed the Big Three in 2008, the Celtics have never lost a Game 5 in a series that was tied 2-2. They have gone on to win 6 of 8 such series. Take a look back at the wins:

Jim Davis/Globe Staff

2008, round one: Allen, Pierce, and Garnett combined for 61 points in a win against Atlanta. The Celtics won the series 4-3.

Jim Davis/Globe Staff

2008, round two: Pierce and the Celtics denied LeBron James and the Cavaliers en route to a series win in seven games.

Barry Chin/Globe Staff

2008, round three: Garnett scored 33 points to outlast the Pistons. The Celtics won the series 4-2.

Jim Davis/Globe Staff

2009, round one: Pierce forced overtime against the Bulls with a late basket in Game 5 as the Celtics went on to win the series 4-3.

Jim Davis/Globe Staff

2009, round two: Eddie House went wild as the Celtics completed a Game 5 comeback against the Magic. But they would lose the next two games and the series.

Jim Davis/Globe Staff

2010, round two: Pierce helped the Celtics outmuscle the Cavaliers in Game 5 en route to a series win in six games.

Jim Davis/Globe Staff

2010, NBA Finals: Garnett and the Celtics defeated the Lakers in Boston to take a 3-2 series lead. But they would lose the final two games on the road.

Jim Davis/Globe Staff

2012, round one: Brandon Bass helped the Big Three with a game-high 27 points to lead the Celtics past the 76ers en route to a series win in seven games.