Boston Celtics guard Derrick White (9) and forward Grant Williams (12). Winslow Townson-USA TODAY Sports

Watch: Moment Celtics realize game-winning shot counted vs. Heat

Game 6 of the NBA's Eastern Conference Finals will go down as one of the wildest finishes in recent memory. While the Miami Heat were pushing for a fourth-quarter comeback to avoid allowing the Boston Celtics to even up the series and set up a Game 7 in Boston, it appeared they had nearly done just that until fans were treated to an instant classic.

Jimmy Butler knocked down three free throws with three seconds remaining to give the Heat a 103-102 lead. With time expiring, Marcus Smart heaved up a contested 3-pointer which missed, but Derrick White flew in out of nowhere and tipped home the miss, narrowly beating the buzzer in the process.

The incredible finish wasn't immediately ruled a basket though, and another camera angle of White and a few Celtics teammates immediately after created a must-see moment, as NBC Sports Boston showed.

Robert Williams was right there on White after the finish, which White was convinced he tipped home prior to the clock hitting zero. After the Celtics guard and other teammates watched and waited for a short period, you can see their reactions, as well as hear the crowd go nearly silent following the basket being called as good on the floor.

Arguably one of the most daunting tasks in sports is for a team to dig their way out of a 3-0 hole in a best-of-seven series. To date, there has not been a single NBA team that has successfully managed to do it. There have been four NHL teams to do so, along with one MLB team. Interestingly, the Boston Red Sox are the lone MLB team to do it, with one of the most memorable comebacks ever during the 2004 ALCS against the rival New York Yankees.

The Celtics etching their name in history as the first NBA team to complete a 3-0 deficit comeback would be quite a storyline, and based on the major momentum swing during this series, they're in a great position to get the job done. Boston opened Game 7 as an eight-point favorite on Caesars Sportsbook, a number that obviously points to an uphill battle to end their own three-game skid now for Miami.

Following the last three games, it's hard to pick against the Celtics. The way Game 6 ended in such dramatic fashion with the Heat just seconds away from heading to the NBA Finals, and now having to head back to Boston only adds to how tough it'll be for Miami to pull off a shocker in Game 7.

More must-reads:

TODAY'S BEST
Golden Knights force Game 7 behind shutout by Adin Hill
Mavericks' Luka Doncic gets payback, knocks out Clippers
Marlins trading away two-time All-Star as fire sale may already be underway
Donovan Mitchell's 50-burger goes to waste as Magic dominate the offensive glass to force Game 7
Pius Suter's late goal sends Canucks to second round
Jets HC Robert Saleh addresses QB Aaron Rodgers' status for OTAs
Eagles lose veteran OL to injured reserve
Rangers lose two-time All-Star starting pitcher to injury
Lakers make another big change after firing Darvin Ham
Draymond Green predicts LeBron James' next team
Twins place pivotal outfielder on injured list due to knee issue
Lakers' chances of landing Tyronn Lue not considered 'realistic'
Pirates option struggling former No. 1 overall pick to minors
Doc Rivers, Giannis Antetokounmpo contradict each other on star's injury
Lakers fire HC Darvin Ham after disappointing season
Rangers' Vincent Trocheck downplays second-round showdown with former team
Longtime coach compares Patriots' Drake Maye to two legends
Yankees legend John Sterling shares one regret about retirement decision
NFL media check-in: Who's out, in and staying on TV
ESPN producer gives update on Patrick Beverley snub controversy

Want more sports news?

Join the hundreds of thousands of fans who start their day with Yardbarker's Morning Bark, the best newsletter in sports.