Efficiency Ratings: Boston College

Seth Curry

Using an NBA Efficiency Rating Formula, TDD tracks the best statistical performances of the season

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.


LATEST GAME
It was a classic trap game in Boston, and the Blue Devils were nearly snagged. Duke struggled on offense throughout the night, and found themselves down by five with less than 150 seconds remaining in the game. Coach K's crew ended the game with a huge shot by Cook to cut the lead to a single basket before Plumlee's clutch free throws gave his team a one point victory.

v. Boston College
(change from previous game)


Notes: Plumlee and Curry were easily Duke's two most effective and offensively efficient players on the evening. Both players shot 50 percent or better from the floor with Plumlee adding another 10 rebounds, two assists, and two blocks to his stat line. Meanwhile, Curry had his most productive all around game in a while in collecting four rebounds, handing out three assists, and earning a pair of steals.

Despite his shooting struggles (just 3-of-11), Quinn Cook hit a pair of huge three pointers to keep Duke in the game down the stretch. The biggest of which was a corner three ball that brought Duke within a basket just as it seemed Boston College was ready to put the game out of reach. The +3 score was a combination of a negative assist to turnover ration (3 to 4) and missing eight shots from the field.

Duke got very little on offense from the two freshmen starters as Amile Jefferson and Rasheed Sulaimon combined for just a +9 between them.


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

Ten Most Efficient Performances

  • Mason Plumlee v. NC State (+36)
  • Quinn Cook v. Clemson (+36)
  • Mason Plumlee v. Wake Forest (+35)
  • Mason Plumlee v. Florida Gulf Coast (+34)
  • Mason Plumlee v. Minnesota (+34)
  • Mason Plumlee v. Ohio State (+31)
  • Mason Plumlee v. Ohio State (+30)
  • Mason Plumlee v. Georgia State (+29)
  • Mason Plumlee v. Elon (+28)
  • Quinn Cook v. NC State (+26)
  • Seth Curry v. Minnesota (+26)

Five Least Efficient Performances*
  • Seth Curry v. Miami (-8)
  • Rasheed Sulaimon v. NC State (-6)
  • Tyler Thornton v. Miami (-3)
  • Seth Curry v. Ohio State (-2)
  • Alex Murphy v. Florida Gulf Coast (-1)
  • Josh Hairston v. Georgia State (-1)
*- players must play at least five minutes or factor into the box score to be considered for per game E-ratings
SEASON EFFICIENCY RATING
Cumulative Season ratings for the Blue Devils. (E/game)*
  • Mason Plumlee: 546 (23.7)
  • Quinn Cook: 351 (15.3)
  • Seth Curry: 285 (13.0)
  • Rasheed Sulaimon: 247 (10.7)
  • Ryan Kelly: 229 (16.4)
  • Amile Jefferson: 141 (6.4)
  • Tyler Thornton: 139 (6.0)
  • Josh Hairston: 63 (2.9)
  • Alex Murphy: 43 (2.0)
  • Marshall Plumlee: 1 (0.1)

MOST EFFICIENT PER MINUTE
Cumulative Season ratings per minute for the Blue Devils. (E/minutes)

  • Mason Plumlee: 0.690
  • Ryan Kelly: 0.573
  • Amile Jefferson: 0.472
  • Quinn Cook: 0.450
  • Seth Curry: 0.420
  • Rasheed Sulaimon: 0.367
  • Alex Murphy: 0.301
  • Tyler Thornton: 0.284
  • Josh Hairston: 0.229
  • Marshall Plumlee: 0.029

SEASON HIGH/LOW PERFORMANCES
Tracking the most and least efficient performances by player

  • Mason Plumlee: 36/9
  • Quinn Cook: 36/3
  • Tyler Thornton: 16/-3
  • Rasheed Sulaimon: 16/-6
  • Ryan Kelly: 23/10
  • Seth Curry: 26/-8
  • Amile Jefferson: 16/0
  • Alex Murphy: 13/-1
  • Marshall Plumlee: 2/0
  • Josh Hairston: 9/-1


Notes: Sunday's game was the least efficient performance of the season for Cook who recorded just a +3. Prior to the game against Boston College, the sophomore point guard's worst offensive performance was a +6.

The only real drama in the cumulative season totals appears to be the battle between Amile Jefferson and Tyler Thornton for the sixth spot. Jefferson maintains a two point advantage on the season, but has a huge advantage in the points per minute statistic.

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