Perhaps because the Celtics had shot the lights out in the first quarter, they'd lost sight of themselves. Even when their shots stopped falling, they were still obsessed with shooting threes.
As a result, they went a dismal 2-for-18 from beyond the arc that quarter.
And with the Celtics clanking shot after shot, the Raptors had plenty of chances to run the break.
In the end, the Raptors won the quarter 40–15.
They outscored the Celtics by 25 points in a single quarter.
They took an eight-point lead.
The Raptors didn't switch back to the 2-3 Zone Defense until the third quarter.
By then, the Celtics' shooting had recovered somewhat from the second quarter, but it was nowhere near as hot as it had been in the first. The Raptors also matched them from three, so the margin remained eight points at the end of the third.
With three minutes gone in the fourth quarter, Wang Yi checked in and drained three consecutive threes over the course of just three possessions.
He put an end to the Celtics' hopes of a comeback.
The Celtics made four threes in the final two minutes, but still lost by five.
This had been the Celtics' best chance to win a game in the series. But their obsession with threes in the second quarter, along with Wang Yi's three straight triples in the fourth, cost them the game.
In Game 4, the Celtics fell apart completely.
The Raptors led the Celtics by eleven at the end of the first quarter.
In the second, when the Raptors set up their 2-3 Zone Defense, the Celtics had no choice but to shoot threes.
But their shots were so poor that they went just 1-for-9 from beyond the arc that quarter.
Whenever they tried to drive or