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This data in and of itself is rather alarming. The four primarily players Porzingis played with (the starters) all have negative defensive RPM figures. And if it wasn’t for PIPM’s box score prior generously helping Kanter, the starters would all be net negative defenders in PIPM as well. Not surprising to those who followed the Knicks closely, the two best defensive players other than Porzingis, Frank Ntilikina and Kyle O’Quinn, rarely played with The Unicorn. According to Cleaning the Glass, lineups with Ntilikina, O’Quinn, and Porzingis tallied 266 possessions and allowed 98.1 points per 100 possessions — again, not surprising that those lineups were very good on defense last year.
Having Jack and Kanter on the bench did wonders for New York’s defense. Though the adjusted plus-minus metrics were kinder to Jack than Courtney Lee, anyone who simply watched five minutes of Knicks basketball could tell you that Jarrett Jack was far from even mediocre on defense; same goes for Enes Kanter.
Speaking of Jack and Kanter, this lethargic defensive duo played a critical role in Porzingis’ “space defense” figures and perception. Every aspect of defense is interconnected with one another to varying degrees. In order for an offense to succeed in spot-up shooting, the ball handler needs to break down the point of attack, force the defense to rotate, and kick the ball out to an open shooter. The best way to achieve this is by running a pick-and-roll. The screen seals off or impedes the path of the defender long enough to create space for the ball handler to then go one-on-one with the screener’s defender. If the ball handler blows by the defender, the defense is forced to rotate and a shooter will more than likely be open in the corner for a three-point attempt.
Can you guess which two players that Porzingis regularly played with were abysmal at defending the pick-and-roll? Jarrett Jack was in the 11th percentile in pick-and-roll ball handler defense averaging 1.02 points per possession and Enes Kanter was in the 17th percentile in pick-and-roll roll man defense averaging 1.23 points per possession. For comparison, Frank Ntilikina was in the 90th percentile averaging 0.65 points per possession and Kyle O’Quinn was in the 73rd percentile averaging 0.84 points per possession. Having Jack and Kanter together on the floor is a recipe for disaster for a team’s defense as you get plays like this:
They cannot contain the weak side pick-and-roll and Dragic easily drives to the hoop, which leads to the ball to swing around the arc and finds James Johnson with a clean look. Fortunately for New York, Porzingis does manage to get out on Wayne Ellington, who was lights out from three this season (39.2 percent on 7.5 attempts), and forced him to give up the ball, but for a better shot, of course. Then in the second part of the video, Jack gets screened twice out of the play and Kanter recognizes the drive late and gives a half-assed contest. This is what happens when your second big isn’t a threat to protect the rim.
Jack dying on screens and simply switching onto Porzingis’ man or being behind on the play was the norm. The Celtics blowout in late January encompasses Jack leaving Porzingis (or any player, really) out to dry.
And let’s not forget Kanter hitting the trifecta: flat-footed, out of position, and lazy:
The Zeller three is disgusting. Porzingis forces DeMarre Carroll to not only use his off-hand, but drive baseline and have no other play besides passing to Zeller in the corner. What does Kanter do? He half-ass hedges at Carroll, watches the pass go by him, and then lolligags his way to the corner. Tyler Zeller has tougher contests during warmups when no one is guarding him.
Despite the difficulties Jack and Kanter present for the Knicks defense and Kristaps Porzingis, there is at least some foundation to the claim in discussion. Porzingis is definitely not a lockdown defender in space by any means. And it doesn’t help when players hit three-pointers in his face.
Jaylen Brown hits an in-rhythm transition three that’s contested; hard to fault Porzingis there. There may have been a miscommunication on the Morris three as you can see Porzingis point to Morris for either Ntilikina or Lance Thomas to take him, but he still goes out to defend Morris. You can definitely make the case that Porzingis should have forced Morris to drive by jumping out and closing out harder. He also had O’Quinn near the rim. You can also make the claim that he should have been up more on Holiday too; however, this isn’t necessarily egregious or poor defense. Hell, Porzingis took away the Hollis-Jefferson drive, but Hollis-Jefferson made the contested midrange jumper. It could have been better with a bit more effort in the first three plays of the video, but definitely doesn’t warrant the “bad” claim.
With that said, Porzingis does not make it easy on folks:
In the first three plays of the video, you can see Porzingis either be a step slow or simply not getting out in time. I purposely have the last two plays of the video at the end because they are especially frustrating. Porzingis gets low in his stance, hands up, and takes away the Carroll drive to force him back out to give the ball up. He gets caught ball-watching as Carroll slips to an open spot behind the arc. Porzingis shows more athleticism to flash out to Horford to take away the pass out of the trap. He then has a brain farts and lingers in the paint while Horford eventually gets a WIDE open three-point shot attempt.
There is a commonality in the previous two videos and in general with Porzingis’ perimeter defense. The issues do not appear to have to be related to athleticism. When individuals phrase this issue as “Porzingis cannot and is not good at defending in space and chasing stretch fours around the perimeter,” the implication is that he is simply physically incapable and not athletic enough to do so. This assumption or connotation doesn’t appear to be the case. More than anything else, this appears to be more of an effort and fundamentals issue than anything else.
When on the perimeter, Porzingis is primarily flat-footed, erect, and has hands down. He jumps into space rather than having active feet as well as rarely being low enough in his defensive stance and is not always up on his man. You could say that by Porzingis not doing these defensive necessities, he will not succeed at defending in space, which in turn makes him a poor perimeter defender. But he certainly is capable.
Tipping the pass and getting out to contest a step back three from Davis, getting skinny, low, and moving his feet to force a contested midrange Morris jumper, and forcing Hollis-Jefferson into a poor position for the layup by moving his feet all suggest that Porzingis can in fact defend in space at an adequate level. Is he perfect? Can he do this consistently throughout a the course of a game? Will he ever be great at space defense? No, of course not. But given the circumstance of primarily playing with minus defenders and primarily playing the four, Porzingis certainly wasn’t bad at perimeter defense. I know it’s a marginal difference, but there is a distinction between being “fine” and being “bad” — and Porzingis was definitely fine.
It would be remiss of me if I did not also dedicate some time to discuss Porzingis’ defense coming off his ACL injury. This is where the opinion of “Porzingis needs to play the five more so he can be near the rim” really begins to hold merit. No one knows if The Unicorn is going to transform into The Lizard in order to recover faster and stronger than ever. Will this injury affect Porzingis’ ability to sink into those hips and bend those knees to really dig into a proper defensive stance? Is he going to lose a step if he’s drawn out to the three-point line? The natural assumption is going to be “yes,” but we need to wait and see the results of his rehab.
Outside of building strength in his core, hips, and lower body to not lose a step and basic defensive footwork fundamentals, a smart way to help counter the concerns coming off the injury is to actually play Porzingis with good defenders. Ntilikina is a significant defensive improvement over Jack, having Kevin Knox or Thomas play the three instead of Lee or Hardaway allows for better matchups, and Mitchell Robinson athleticism and defensive potential is already an improved defensive team. Granted, Knox and Robinson still have much to prove and improve on the defensive end; they are rookies after all. Lee and Hardaway, however, are too small (especially Lee) to consistently defend wings. Robinson is more than likely a better defender than Kanter right now, and Robinson hasn’t played organized five-on-five all of last year and still doesn’t know positioning or how to utilize his length.
One thing we cannot lose sight of is that assuming moving to the five magically solves this perimeter defense concern or prevents him from ever defending in space. Teams are going to still try to pull Porzingis away from the rim on pick-and-rolls and switches. They always look to take away strengths and exploit weaknesses. Whether Porzingis plays the five, four, or three, if he cannot defend perimeter players, opponents will ensure it happens more often than not.
There is still much to learn and see before we come to any sort of false conclusion that Kristaps Porzingis isn’t good at defending on the perimeter. He certainly was not as bad as many Knicks fans have made him out to be last season, which is promising moving forward under an assumption that there is a full recovery. This is in no way suggesting that Porzingis should be on the perimeter chasing fours around, but rather he is capable of holding his own when pulled out there. To maximize Porzingis’ defensive potential, he should be defending the rim and anchoring the team defense.
Seeing the growth of players like Ntilikina, Knox, Robinson, and Hardaway, for example, as well as the defensive system Coach Fizdale installs is equally as important to the success of the defense and the perception on Porzingis. Right now, only time can answer those questions.
Link: Can Kristaps Porzingis defend the perimeter?
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