Why Dante Exum Is the NBA's Defensive Rookie of the Year

Andy Bailey@@AndrewDBaileyFeatured ColumnistMarch 20, 2015

SALT LAKE CITY, UT - JANUARY 28: Dante Exum #11 of the Utah Jazz and Rudy Gobert #27 of the Utah Jazz during the game at EnergySolutions Arena on January 28, 2015 in Salt Lake City, Utah. 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. Mandatory Copyright Notice: Copyright 2015 NBAE (Photo by Melissa Majchrzak/NBAE via Getty Images)
Melissa Majchrzak/Getty Images

Dante Exum's rookie season has not gone according to the media's plans, and that's just fine.

The Utah Jazz point guard has exceeded expectations as a defender and may be the best rookie in the NBA on that end of the floor.

The No. 5 overall pick in the super-hyped draft class of 2014, Exum was supposed to be a long, athletic point guard who would make plenty of mistakes on offense but still be able to get to the rim at will.

Prior to the draft, Bleacher Report's Jonathan Wasserman wrote:

Exum will enter the draft with "scoring point guard" attached to his label. Like the Russell Westbrooks, Derrick Roses, Stephen Currys—Exum projects as a go-to option in the offense, yet one who can also initiate and run it.

Fast forward to March, and Exum is averaging just 4.8 points and shooting 35.3 percent from the field. His 2.3 assists per game ranks fifth on the Jazz.

But that doesn't mean the scouting reports were wrong. The physical part is absolutely there. For the time being, it's just manifesting itself on the other end.

Exum's 6'6" frame and ultra-quick feet have already made him a nightmare matchup for opposing point guards who are used to having a much easier time getting past the perimeter.

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His ability to thwart opposing offenses at the point of attack has had a clear trickle-down effect on the entire Jazz defense.

Head coach Quin Snyder made Exum the full-time starter on January 22. The contrast in the team's defense before and after that move is stark.

Utah's Defense With Exum Starting
Before January 22NBA RankAfter January 22NBA Rank
Points Allowed99.114th87.61st
FG% Allowed46.4%26th41.4%1st
3P% Allowed37.3%27th33.7%10th
Defensive Rating106.827th95.31st
NBA.com/stats

The numbers got even better since the All-Star break, when Enes Kanter (one of Utah's worst defenders) was traded to the Oklahoma City Thunder.

Since that deal was made on February 19, Utah's league-leading defensive rating of 89.6 has largely been credited to Rudy "The Stifle Tower" Gobert. He's no doubt been a monster, but Exum's individual defensive rating of 87.3 is easily better than Gobert's 90.9.

Snyder, speaking about Exum and fellow rookie Rodney Hood, talked about one of the reasons they're so impactful defensively (per Salt City Hoops' Ben Dowsett):

(Rodney)’s been a little better defender than maybe people have seen, but hasn’t been healthy until more recently. Dante obviously, I think [defense] was an area where Dante felt like he could make an impact. I’m pleased with both of them in that situation, I think their length is an advantage. Obviously a lot of things Rudy (Gobert) does are terrific, but the ball with those guys isn’t getting into the paint as much, and that’s something I’m very pleased with.

When opposing guards try to make a move past Exum on the perimeter, they have to cover significantly more ground to get around his 6'9" wingspan. And again, his lateral quickness makes that even more daunting.

Plus, the reach helps him get inside an opposing guard's handles.

And on the rare occasions someone does create a little space, Exum has the explosiveness to get back into position in an instant.

So how does Exum compare to other rookies?

Among rookies who've appeared in at least 50 games, his defensive rating of 98.5 is first. That's significantly better than some of the other rookies who are commonly billed as some of the class' stronger defenders.

Top Rookie Defenders
DefRtgOpponent FG%BlocksSteals
Dante Exum98.542.6%0.20.5
Nerlens Noel99.644.3%1.91.8
Marcus Smart103.245.3%0.21.3
Elfrid Payton105.146.6%0.21.5
Andrew Wiggins108.848.8%0.61.1
NBA.com/stats

Box score numbers like steals and blocks favor the likes of Nerlens Noel and Marcus Smart, but thank goodness for analytics, right Charles Barkley?

The impact Exum has had on Utah, which now has the league's best defense, has been immense. Gobert and Derrick Favors get a ton of credit, but neither has to help on nearly as many drives when Exum's on the floor.

As those three continue to develop both individually and as a unit, the Jazz could have one of the toughest defenses in the NBA for years to come.

Exum will be right there at the point.

Unless otherwise noted, all stats and salary figures are courtesy of NBA.com and Basketball-Reference.com, and are current through games played on March 19, 2015.   

Andy Bailey covers the NBA for Bleacher Report. Follow him @AndrewDBailey.

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