Efficiency Ratings: Game 15

As the Blue Devils progress through the season there will be many different theories on how to measure team success. TDD has adopted the NBA Efficiency Formula to track Duke's top players and performances after each game and throughout the season.

A quick way NBA coaches measure a player's game performance is by evaluating his efficiency. In order to find a player's efficiency the following formula is used:

((Points + Rebounds + Assists + Steals + Blocks) - ((Field Goals Att. - Field Goals Made) + (Free Throws Att. - Free Throws Made) + Turnovers)).

For example, compare the following stat lines:

Player A: 17 points (5-of-22 FG, 7-9 FT), 8 rebounds, 6 assists, 3 steals, 4 turnovers.

Player B: 15 points (5-8 FG, 3-4 FT), 4 rebounds, 7 assists, 2 turnovers

Who had the better game? Using the NBA formula player B, who hit five of eight shots and committed two turnovers registered a +20 efficiency total while Player A who missed 17 shots and had four turnovers had just a +11 rating.

For reference, last year LeBron James posted the two most efficient games of the season with a +54 (37 points on 11-of-17 FG & 9-10 FT, 12 rebounds, 11 assist, 2 steals, 1 block, and 2 turnovers) and +50 (40 points on 16-of-23 FG & 6-6 FT, 8 rebounds, 8 assist, 1 steal, 2 blocks, and 2 turnovers) rating.

In a game where the offense wasn't clicking, the shots weren't falling, and the opponent wasn't' intimidated…the Blue Devils found a way to win with defense and some timely conversions from seniors Singler and Smith. Maryland took control of the tempo and forced Duke to deal with a matchup zone defense that ended up forcing the Blue Devils into a season high 17 turnovers against just 10 assists. Unable to get a grip on the tempo, Duke struggled when Maryland took Smith out of the game and dared the supporting cast to take the open looks.

v. Maryland
(change from previous game)

Notes: The Duke post game was, frankly, non-existent on the offensive side of the court. Starting bigs Miles Plumlee and Ryan Kelly combined to post just a +10 efficiency rating, but even that looked better than the +0 efficiency score posted by Mason Plumlee. The younger Plumlee brother struggled with foul trouble before bowing out with no points and five turnovers countering his six rebounds. In his least efficient performance of the last few weeks, Smith still managed a +15 rating despite missing 13 shots from the floor and coughing up five turnovers. Meanwhile senior Kyle Singler connected on 10-of-19 from the field and grabbed 10 rebounds to finish with a +23 score. Off the bench (and proving that numbers don't always tell the whole story), freshman point guard Tyler Thornton logged a +4 efficiency rating. But his minutes were crucial as he helped spark Duke to a decisive second half run.

Throughout the season TDD will track the various highs and lows using the formula.

Ten Most Efficient Performances

  • Mason Plumlee v. Marquette (+36)
  • Nolan Smith v. UNC-Greensboro (+36)
  • Kyrie Irving v. Michigan State (+35)
  • Nolan Smith v. Miami (+31)
  • Nolan Smith v. UAB (+31)
  • Kyle Singler v. UNC-Greensboro (+29)
  • Kyle Singler v. Oregon (+27)
  • Kyrie Irving v. Princeton (+26)
  • Nolan Smith v. Princeton (+25)
  • Nolan Smith v. Elon (+25)

Five Least Efficient Performances*

  • Seth Curry v. Miami (-3)
  • Seth Curry v. Michigan State (-2)
  • Tyler Thornton v. Kansas State (-2)
  • Tyler Thornton v. Bradley (-1)
  • Mason Plumlee v. Maryland (+0)
*- players must play at least 2 minutes or factor into the box score in some what to be considered for per game E-ratings

Cumulative Season ratings for the Blue Devils. (E/game)*

  • Nolan Smith +307 (20.5)
  • Kyle Singler +257 (17.1)
  • Mason Plumlee +193 (12.9)
  • Andre Dawkins +186 (12.4)
  • Kyrie Irving +165 (20.6)
  • Ryan Kelly +138 (9.2)
  • Miles Plumlee +126 (8.4)
  • Seth Curry +115 (7.7)
  • Tyler Thornton +35 (2.3)
  • Josh Hairston +30 (3.0)
*- players must play at least 2 minutes or factor into the box score in some what to be considered for per game E-ratings. Irving (E/8); Thornton (E/11); Hairston (E/10)

Tracking the most and least efficient performances by player

  • Kyrie Irving +35/+12
  • Nolan Smith +36/+4
  • Mason Plumlee +36/+0
  • Kyle Singler +29/+7
  • Andre Dawkins +23/+1
  • Seth Curry +18/-3
  • Ryan Kelly +17/+2
  • Miles Plumlee +19/+1
  • Tyler Thornton +7/-2
  • Josh Hairston +15/+0

Notes: It was an ugly game marked with several ugly performances in the E-ratings. Most notable was Mason Plumlee who logged his least efficient performance of the season with a +0. There wasn't any movement in the season ratings. Nolan Smith still has a commanding lead in the seasonal total with a +50 advantage over classmate Singler. Depending on the mid-week game's results, Andre Dawkins could move ahead of Mason Plumlee on the season list. With his off-night from the field, Smith fell behind injured teammate Kyrie Irving on the per game efficiency ratings.

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