The “January to Forget” has many offenders, and it would be unfair to single out one person or reason why the Knicks went from NBA Cup champs to crashing.

So let’s list four of the most important after the Knicks endured a stretch of nine losses in 11 games before Wednesday night’s historic rout of the Nets, in no particular order:

1. The defense

After the MLK Day debacle at MSG, the Knicks ranked 18th in points allowed per 100 possessions. No team is winning a title with those kinds of leaks.