The numbers confirm eye test: UNC’s defense has regressed

By R.L. Bynum

If Carolina makes a deep run in March, it will be with lockdown defense.

The No. 7 Tar Heels (19–6, 11–3 ACC) haven’t reached the level they’ll need to do that since their 10-game win streak ended with the loss at Georgia Tech on Jan. 30.

Anybody who has watched UNC in the last five games knows that their defensive performance has fallen dramatically, and the numbers back that up.

Syracuse’s 62.5% shooting was the best against UNC in nine years, only bettered by the 64.5% Pittsburgh shot in 2015.

According to Bart Torvik’s site, Carolina had the second-best adjusted defensive efficiency in the country in the eight games before losing to the Yellow Jackets. In the games since then, that rank has plummeted to 129th (hat tip to Isaac Schade for pointing that out).

In UNC’s worst previous defensive game of the season, the Tar Heels’ offense was enough to compensate in a 100–92 home win on Nov. 29 over Tennessee since UNC had an adjusted offensive efficiency of 152.4. The second-best offensive efficiency this season of 132.0 against Syracuse wasn’t enough.


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Carolina gave up a season-high 1.410 points per possession in the loss to Syracuse (topping the previous worst of 1.103 against the Vols). Its season-worst adjusted defensive efficiency of 127.6 was much worse than the 105 against the Vols.

The Tennessee game and the 93–84 home win Feb. 3 over Duke are the only times UNC has given up at least 74 points and won, with the Heels 2–6 in those games. They are 17–0 in all other games.

Nearly three weeks ago, UNC gave up 89.1 points per 100 possessions in ACC games, and now that’s up to 96.6.

Carolina’s ball-screen defense has got to get better. It’s been trending down in recent games, but Syracuse repeatedly beat the Tar Heels one-on-one off of pick-and-rolls and Carolina must make the adjustment.

With some adjustments and a return to the defense that fueled that 10-game win streak, Carolina could very well become title contenders in March.


UNC season statistics


TeamLeagueOverallNET*WAB*
No. 1 Duke17–129–212
No. 10 Virginia15–327–41311
Miami13–524–73228
No. 19 North Carolina12–624–72319
Clemson12–622–93633
No. 24 Louisville11–722–91425
N.C. State10–819–123545
Florida State10–817–146974
California9–921–106549
Stanford9–920–115951
SMU8–1019–123950
Virginia Tech8–1019–125352
Wake Forest7–1116–156481
Syracuse6–1215–168392
Pittsburgh5–1312–19109146
Notre Dame4–1413–1893121
Boston College4–1411–20159217
Georgia Tech2–1611–20167210

* — Through Sunday games
Saturday’s results
No. 1 Duke 76, No. 19 North Carolina 61
Boston College 77, Notre Dame 69
Clemson 79, Georgia Tech 76
No. 24 Louisville 92, Miami 89
Florida State 92, SMU 78
Stanford 85, N.C. State 84
Wake Forest 80, California 73
Pittsburgh 71, Syracuse 69, OT
END OF REGULAR SEASON
ACC tournament
Spectrum Center | Charlotte
Tuesday through Saturday


DateMonth/dayScoresOpponent/event
(current ranks)
Record
October
24FridayL, 78–76vs. BYU in SLCExhib.
29WednesdayW, 95–53vs. Winston-Salem St.Exhib.
November
3MondayW, 94–54vs. Central Arkansas1–0
7FridayW, 87–74vs. No. 17 Kansas2–0
11TuesdayW, 89–74vs. Radford3–0
14FridayW, 97–53vs. N.C. Central4–0
18TuesdayW, 73–61vs. Navy5–0
Fort Myers Tip-Off
25TuesdayW, 85–70vs. St. Bonaventure6–0
27ThursdayL, 74–58vs. No. 11 Michigan State6–1
DecemberACC/SEC
Men’s Challenge
2TuesdayW, 67–64at Kentucky7–1
—————————
7SundayW, 81–61vs. Georgetown8–1
13SaturdayW, 80–62vs. USC Upstate9–1
16TuesdayW, 77–58vs. ETSU10–1
CBS Sports Classic
in Atlanta
20SaturdayW, 71–70vs. Ohio State11–1
—————————
22MondayW, 99–51vs. East Carolina12–1
30TuesdayW, 79–66vs. Florida State13–1,
1–0 ACC
January
3SaturdayL, 97–83at SMU13–2, 1–1
10SaturdayW, 87–84vs. Wake Forest14–2, 2–1
14WednesdayL, 95–90at Stanford14–3, 2–2
17SaturdayL, 84–78at California14–4, 2–3
21WednesdayW, 91–69vs. Notre Dame15–4, 3–3
24SaturdayW, 85–80at No. 9 Virginia16–4, 4–3
31SaturdayW, 91–75at Georgia Tech17–4, 5–3
February
2MondayW, 87–77vs. Syracuse18–4, 6–3
7SaturdayW, 71–68vs. No. 1 Duke19–4, 7–3
10TuesdayL, 75–66at No. 25 Miami19–5, 7–4
14SaturdayW, 79–65vs. Pittsburgh20–5, 8–4
17TuesdayL, 82–58at N.C. State20–6, 8–5
21SaturdayW, 77–64at Syracuse21–6, 9–5
23MondayW, 77–74vs. Louisville22–6, 10–5
28SaturdayW, 89–82vs. Virginia Tech23–6, 11–5
March
3TuesdayW, 67–63vs. Clemson24–6, 12–5
7SaturdayL, 76–61at No. 1 Duke24–7, 12–6
10–14Tues.-Sat.ACC
tournament
Spectrum Center,
Charlotte
12ThursdayL, 80–79Quarterfinals:
vs. Clemson
24–8
NCAA
tournament
19ThursdayL, 82–78, OTFirst round: vs. VCU
in Greenville, S.C.
24–9

Photo via @UNC_Basketball

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