The [Boston Celtics] have the best record against the spread by a team this season, with a spread record of 49-33.The [Boston Celtics] have the best record against the spread by a team this season, with a spread record of 49-33.

Here is another baseball one if you want to go that way.

Including playoffs, Mason Miller has struck out:

20 of his last 23 batters
30 of last 38
40 of last 55
50 of last 70
60 of last 89
70 of last 109
80 of last 135

No other MLB pitcher in the last 50 years has matched any of those stretches at any point in his career (reg & post).