Madison Square Garden erupted Tuesday night in a way it hasn't since before most of its current fans were born. The Knicks clinched a playoff spot for the first time in 13 years. And more than that — they're actually good. Like, legitimately competing for a championship good. Not the kind of good where you're just happy to make the playoffs. The kind where Vegas is taking your money seriously. That's the difference.

This matters because New York basketball had become a punchline. A genuinely depressing one, if you're being honest. The Knicks hadn't won a title since 1970. They hadn't even made the Finals since 1999. For a franchise that once defined the NBA — the team of Willis Reed, Walt Frazier, the whole mystique of New York basketball — watching them get demolished by lottery teams year after year was like watching a boxer take punches he couldn't throw back. It was brutal stuff.

So here's what you've got to wonder about: how close this almost didn't happen. Two years ago, the Knicks were catastrophically messy. Jalen Brunson wasn't here yet. Julius Randle was playing angry basketball. The front office was still making the kinds of moves that made you question whether anyone actually understood how to build a roster. (and yes, they really were that lost) Then they got Brunson. Then they stuck with Randle instead of blowing it up. And then — this is the part that matters — they actually let the thing work. No panic trades. No sudden direction changes. They just built something and left it alone, which is harder than it sounds.

Real money followed. Ticket prices climbed. MSG is loud again on game nights. Kids in Brooklyn are wearing Knicks gear without it being ironic. Real estate people are joking that Knicks success drives Manhattan rents up another 5 percent because suddenly everyone wants to be here for it. Sponsors who'd checked out years ago are suddenly interested again. The whole city's humming differently.

But do they actually win it? That's the wrinkle nobody wants to ask yet.

The Celtics and Nuggets are still better. The Celtics are probably the best team in basketball. But the Knicks are in the conversation for the first time in a generation, and that's genuinely significant. Watch the playoffs. That's where you find out if this is real or if it's just a nice regular season that fades come May. Either way, New York's got its team back. Finally.