Orlando's Stan Van Gundy shouts during an NBA playoff basketball game in Indianapolis

Stan Van Gundy questions integrity of advanced statistical data at MIT Sloan Sports Analytics Conference

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BOSTON — Stan Van Gundy appeared as part of the basketball analytics panel at the MIT Sloan Sports Analytics Conference on Friday, and while he isn’t opposed to coaches integrating advanced statistical data into their day-to-day operations, he was concerned about the particulars of how the data is acquired, and who, exactly, is responsible for sorting it all out.

Van Gundy posed legitimate questions that would theoretically need to be addressed before the basketball purists at the NBA level take the data as gospel, and making sure that whoever is identifying certain play types and quantifying them knows basketball, and is doing that job to the specifications of a particular head coach.

“I don’t trust most of it,” Van Gundy said, beginning an exquisite rant on the topic. “I read some of the stuff that people write on ESPN.com, you know, I’ll read stats on pick and roll defense and stuff that came off Synergy or somewhere else — I don’t know who the hell is recording that information!”

“I read a thing in the playoffs last year that said that New York isolated like 17 percent of the time,” he continued. “I’m watching their games, they isolate half of the time, at least. So I don’t know who’s recording that. If there’s a pick and roll, and they throw it back to Carmelo and he holds the ball and isolates for eight seconds, that’s a pick and roll play, not an isolation? And a lot of pick and roll stuff … you know, I read a thing today from ESPN the Magazine on Paul George being the best pick and roll defender in the league on the ball handler. Look, a lot of pick and rolls … there’s pick and rolls designed to score, and there’s pick and rolls you run to get into something else. If you’re recording it and you’re treating those two things the same, then you don’t know what you’re doing.”

Van Gundy really does like the additional available data — he just needs to be able to trust that whoever is compiling it has the same standards basketball-wise that he does. Ironically enough, I overheard a statistician type at one of the panel discussions explaining to a colleague that of course he watches games — but only to enhance his data set.

“I mean, I do watch the games,” this person said, “to to try to pick up on some things that maybe my numbers aren’t catching.”

This is obviously completely backwards, and as far as Van Gundy is concerned, there’s simply no substitution for the eye test.

“To me, I think that a lot of the analytic stuff can be very useful, but if you’re using that in place of sitting down and watching film yourself and seeing what’s going on, you’re making a big mistake,” Van Gundy said. “And I don’t want to offend anybody, but I think one of the problems with analytics — I think it’s good; I used it, I love looking at it — but one of the problems is, there are a lot of people in a lot of organizations who don’t know the game, who all they know is analytics and as a result, that’s what they rely on. And they will use that to supersede what guys like us see with our eyes. And I think that’s a major mistake. There’s no substitute for watching film over and over and over again, and the only numbers I trust are the ones that my people believe.”

Van Gundy isn’t alone in his hesitance, and it will take some time before everyone trusts the way that the bulk of the data is quantified and labeled for mass consumption.

Brandon Ingram with the steal, slam (VIDEO)

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Very little has gone right for the Lakers of late. They have dropped five in a row. Around Los Angeles, the talk has gone from “this team could make the playoffs” after a 10-10 start to “they need to tank and try to keep the pick” after going 5-21 since. (The Lakers pick this draft is top-three protected, if it’s outside that it goes to the Sixers. The Lakers currently have the fourth worst record in the NBA.)

The Lakers young players look… young. D'Angelo Russell admitted he just started trying to follow a game-day routine, then said Tuesday night he didn’t focus and deserved to be benched down the stretch. Brandon Ingram shows flashes, he’s smart and sees the game, but he’s still physically pushed around.

But those flashes, like the steal and dunk above are fun.

Lakers fans, welcome to the process. This is what rebuilding is like. It’s a roller coaster, you just hope the trajectory generally remains up.

Rumor: Is Cleveland done making moves?

SACRAMENTO, CA - JANUARY 13:  Kyle Korver #26 of the Cleveland Cavaliers shoots over Arron Afflalo #40 of the Sacramento Kings at Golden 1 Center on January 13, 2017 in Sacramento, California.  NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement.  (Photo by Ezra Shaw/Getty Images)
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LeBron James has made it clear he wants the Cavaliers to add a veteran point guard to the mix. Cavs GM David Griffin has talked about wanting to add playmakers to the roster.

The Cavaliers made a savvy move picking up Kyle Korver recently, he brings shooting and some high IQ play to the table. But was that it? Does Cleveland have another trade to pull off?

ESPN’s Brian Windhorst is about as connected as they come with the Cavaliers organization and he said on ESPN Cleveland radio not to bet on seeing another move.

Windhorst is right, in terms of players the Cavaliers don’t have much to move — James Jones? Kay Felder — and they don’t have a first-round pick to move until 2021. The buyout market may be something to watch, but a solid playmaker or point guard may be hard to come by.

The only question about the Cavaliers roster is this: How does it match up with Golden State? Barring a major catastrophe, the Cavaliers are coming out of the East, but can they beat the Warriors four out of seven? The MLK Day blowout was not an indicator one way or the other, the Cavs mailed that game in, but there certainly are questions about the potential Finals matchup. One more playmaker would help the Cavs, I just don’t know where he comes from.

Report: Pelicans explored Dwight Howard trade before Hawks pulled him off table

DALLAS, TX - JANUARY 07:  Dwight Howard #8 of the Atlanta Hawks at American Airlines Center on January 7, 2017 in Dallas, Texas.  NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement.  (Photo by Ronald Martinez/Getty Images)
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Who are the Pelicans? They look like a movie where the writer, director, and studio suits all had very different versions of the film in mind, and the result is a jumbled mess. Think “Suicide Squad.”

There are a lot of questions about the roster and style of this team, but at the heart of all of it is this: Do they play Anthony Davis at the four or the five? They are better with him at the five but keep spending money on bigs to push him to the four.

They considered doing it again in the past month, reports Zach Lowe at ESPN (in an article that brilliantly lays out the quandary in New Orleans).

But they haven’t committed to staying small, and sticking Davis at center. They worry about the physical toll it would take, and fretted after Davis picked up two quick fouls jostling with Dwight Howard two weeks ago. In the days that followed, Atlanta and New Orleans had exploratory talks about possible Howard trades before the Hawks pulled everyone off the market, according to several league sources. It is unclear how interested New Orleans was, and there was not unanimous support within the team for acquiring Howard.

Dwight Howard? He’s played better this season and finally is staying within himself in Atlanta, but why would the Pelicans want him and that contract next to Davis? To be fair, these kinds of conversations happen a lot in the NBA and most don’t go anywhere. Still, this one is perplexing. It’s the opposite of the style they had success with this season. It’s back to the confused push-and-pull within that franchise.

Maybe this goes to having Saints people oversee the basketball side and thinking, like the NFL, you can rebuild on the fly quickly with smart fifth round picks and a couple free agents. The NBA doesn’t work that way (and there aren’t fifth round picks, although the second round serves that purpose). The Pelicans should have tanked in recent years. If the Pelicans brought in Alvin Gentry to run a more Warriors-style offense, then give him the players to do it. Davis is a foundational piece and will be a stud in any system, maybe Holiday can work in that free-flowing, fast-decision style with shooting everywhere, and after that… I don’t know.

Bottom line, if the Pelicans brought in Alvin Gentry to run a more Warriors-style offense, then give him the players to do it. Davis is a foundational piece and will be a stud in any system, maybe Holiday can work in that free-flowing, fast-decision style with shooting everywhere, and after that… I don’t know.

But the indecision and hodgepodge of a roster in New Orleans leaves it in the same place as always, and that is squandering one of the game’s best players.

Video Breakdown: What is Hammer action? An explainer

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Hammer action — sometimes referred to as a Hammer play or a Hammer set — was made ubiquitous in the modern NBA by the San Antonio Spurs. It’s really not as complicated as it sounds to identify, and it’s got two main principles.

First, the Hammer part of any set is a back screen to setup a cut by a wing player around the arc to the corner (or sometimes on a flare to the wing).

Second, the Hammer always happens away from the ball side of a play. It’s a weak side action, and typically anything happening with the ball on the strong side at the beginning of the play is purposeful distraction.

You can learn all about the Hammer by watching this week’s NBA Glossary video above, or by reading the text version down below.

The Diagram

Here we have a set where the ball is on the right side of the floor, with one post high and one low. The Hammer action happens on the weak side of the court between the shooting guard and the center:

The small forward is going to start the pick and roll with the power forward going to the right side. Meanwhile, the center is going to set the back screen on the left left side of the floor. This is our Hammer action, and the shooting guard will run off that screen to the corner.

Once the play starts and the small forward gets to the baseline, he passes it out to the guard, who shoots the corner three.

Let’s take a look at it in action and how the Spurs mix it into different looking plays.

Here they have the ball at the arc on the right side of the floor. Kawhi Leonard is coming through the paint to receive a pass off the screen.

Meanwhile, Patty Mills is the player that’s going to run off a hammer screen here on the left elbow.

The ball is passed, and with Kawhi dribbling toward the arc, the trap is set, and the Hammer action commences.

The defender turns his head, and Mills runs toward the baseline unimpeded to take the jumper.

In this example, we have the pick and roll to the right side. The hammer action is going to happen between the guard and the post on the weak side.

As the pick and roll is run, the Hammer screen is set.

Notice San Antonio has cleverly positioned Tony Parker at the top of the arc, and when LaMarcus Aldridge pops out, it’s up to Parker’s defender to stunt over to help.

This makes Danny Green’s defender slide over to help cover Parker, basically leaving Green unguarded in the corner.

Aldridge sees this, and passes the ball to Parker for the quick rotation over to Green.

That’s the basics of the Hammer play. It’s nothing super complicated, but it shows you how spacing and exploitation of defensive tendencies can be programmed into an NBA offense.