As someone said, it reminds them of the team from near Boston coming back from 25 in the Super Bowl in Houston, February 5, 2017.
It's also interesting to note it was the Celtics 39th game of the year, like how Tom Brady was 39-years-old when he won Super Bowl 51 in Houston.
Notice it was only the Rockets 33rd game of the year.
TOM = 33; LI = 33; Massachusetts = 33
And consider the Celtics got their 29th win of the season.
Consider the Patriots won Super Bowl 51 in their 57th season.
12/28/17 = 12+28+17 = 57
*Fifty-Seven = 131; Super Bowl = 131; Championship = 131
The Rockets were also left on 25-wins, like Brady's 25-point comeback on 2/5, winning his 25th playoff game, and the AFC's 25th Super Bowl.
Super Bowl 51 closed out the 97th season of the NFL. 97, the 25th prime