The Boston Celtics are on the brink of pulling off the biggest comeback in NBA history. On the other end of the spectrum are the Miami Heat, who unfortunately for them, are now just one loss away from what will be considered as the most memorable choke job in basketball.

That's it. There's just no two ways about it. No team has ever squandered a 3-0 series lead in all of the NBA's 76 years of existence. If the Celtics somehow manage to pull this off, then there's no denying that Jimmy Butler and the Heat will forever be remembered for this embarrassment. NBA Twitter definitely seems to think so:

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Miami Heat star Tyler Herro next to Chicago Bulls star DeMar DeRozan in front of the Kaseya Center.

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Miami Heat star Duncan Robinson in front of the Kaseya Center.

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Miami Heat star Jimmy Butler with injury signs around him in front of the Kaseya Center.

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To be fair, Jimmy Butler came up big for the Heat in the clutch in Game 6. He's been the man for Miami throughout their incredible playoff run, and Game 6 was no different. It was Butler who drew the foul on Al Horford in the dying seconds of the matchup, and he eventually drained all three of his free throws to give his team a one-point lead with just 3.0 seconds remaining. Little did he know that Derrick White was going to come and spoil the Heat party.

The good news for Butler and Co. is that this series is not over yet. They are now the heavy underdogs to escape with a victory in a winner-take-all Game 7 in Boston, but in reality, this has been the case for the Heat throughout the postseason. They've been counted out many times before, and they're now looking to silence their doubters again come Monday night.