I'll start by saying this: It is crazy to say that we have the best starting frontcourt in the NBA. Best starting frontcourt in the NBA is San Antonio, Cleveland, OKC, Atlanta, or someone else in that category.
That said, just for fun, here is a link to Efficiency Difference stats for the NBA this season (when you click the link it may default to Playoff stats, so you may have to switch a tab at the top for regular season/overall stats):
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In review, efficiency differential is the number of points a team scores minus the number of points a team allows per 100 possessions. It is considered a predictor of future success by people who are into stats.
So, to summarize these stats:
Knicks had the 10th best frontcourt efficiency differential in 2015-16, which was +3.1
Knicks had the 25th best backcourt efficiency differential in 2015-16, which was -5.5
Again, definitely not the best frontcourt in the league by far, but it is not crazy to say that you give this team even an average NBA starting backcourt and we'd have a solid chance at being a 0.500 team and making the playoffs next season.
Not going to hold my breath though. I think it's lottery ball again next season.