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Northern Illinois27atBoston College24

2023 · Week 1

Efficiency

Game-level Efficiency Breakdown

-31.1-15.50+15.5+31.1Northern Illinois — Off. field pos.: +27.0+27.0Boston College — Off. field pos.: +23.5+23.5Off. field pos.Points this side's offense added or cost purely from where its drives started, vs. a league-average FBS team.Northern Illinois — Off. scoring eff.: -24.8-24.8Boston College — Off. scoring eff.: -24.3-24.3Off. scoring eff.Points this side's offense added or cost finishing drives (given where they started), vs. a league-average FBS team.Northern Illinois — Def. field pos.: -23.5-23.5Boston College — Def. field pos.: -27.0-27.0Def. field pos.Points this side's defense saved or gave up in starting field position allowed, vs. a league-average FBS team.Northern Illinois — Def. scoring eff.: +24.3+24.3Boston College — Def. scoring eff.: +24.8+24.8Def. scoring eff.Points this side's defense saved or gave up letting the opponent finish drives, vs. a league-average FBS team.Northern Illinois — Possessions: 0.00.0Boston College — Possessions: 0.00.0PossessionsValue of having more or fewer real possessions than the opponent this game (onside kicks, half-opening/closing clock timing, etc.) — not offense or defense skill.
Northern IllinoisBoston CollegeBreaks the final margin of victory down into where it came from, compared to what an average FBS team would do in an average game — the five bars per team always add up to the real final margin. Click a bar for detail.

Box score

Northern IllinoisBoston College
Total yards338314
Rushing yards166146
Rushing attempts4828
Yds / rush3.55.2
Passing yards172168
Passing attempts2938
Yds / pass5.94.4
First downs2119
Turnovers11
Penalties410
Penalty yards3593
Sacks11
Time of possession36:5323:07

Passing & rushing

What each offense did this game.

Northern Illinois
By quarterPass / rushSuccessYd/play
Q1(14)43% / 57%43%2.8
Q2(15)33% / 67%40%6.7
Q3(19)42% / 58%47%6.3
Q4(26)38% / 62%27%2.8
how play-calling and results shifted through the game — (n) = plays
Passing by down(offense 100th on the season)
Down (att.)Avg. to goSuccessYd/play
1st(9)10.022%3.0
2nd(10)9.150%6.6
3rd(10)7.040%7.2
All (29)—38%5.7
Rushing by down(offense 68th on the season)
Down (att.)Avg. to goSuccessYd/play
1st(22)9.636%3.3
2nd(15)6.927%3.5
3rd(7)4.371%5.9
All (45)—38%3.7
Boston College
By quarterPass / rushSuccessYd/play
Q1(17)53% / 47%35%4.9
Q2(14)64% / 36%29%3.4
Q3(11)45% / 55%36%4.3
Q4(20)70% / 30%30%4.5
how play-calling and results shifted through the game — (n) = plays
Passing by down(offense 107th on the season)
Down (att.)Avg. to goSuccessYd/play
1st(13)10.438%4.8
2nd(12)9.58%1.4
3rd(11)9.59%2.8
4th(1)5.0100%10.0
All (37)—22%3.2
Rushing by down(offense 34th on the season)
Down (att.)Avg. to goSuccessYd/play
1st(13)10.246%7.5
2nd(8)7.538%3.8
3rd(3)3.067%5.3
4th(1)2.0100%2.0
All (25)—48%5.8

Drive-by-drive — expected vs. actual points, each possession

1Drive 1: own 23 → Punt3Drive 3: own 40 → Punt5Drive 5: own 19 → Punt7Drive 7: own 15 → Punt9Drive 9: own 30 → Def. TD11Drive 11: own 16 → Def. TD13Drive 13: opp 25 → —15Drive 15: own 20 → Turnover17Drive 17: own 41 → Def. TD19Drive 19: own 17 → —21Drive 21: own 34 → Punt23Drive 23: opp 25 → Def. TDown 0own 2550opp 25opp 0
Boston College drives by field position

Each bar is a drive, from where it started to where it ended. Green = scored, red = turnover/downs/safety.

#StartTimePlaysYdsResultExpPts+/−
1own 23Q1 14:56721Punt1.80-1.8
3own 40Q1 10:17817Punt2.60-2.6
5own 19Q1 3:041456Punt1.70-1.7
7own 15Q2 8:4444Punt1.60-1.6
9own 30Q2 2:381032Def. TD(−7 opp)2.20-2.2
11own 16Q3 10:27833Def. TD(−7 opp)1.70-1.7
13opp 25Q3 6:53414—3.70-3.7
15own 20Q3 1:2810Turnover1.70-1.7
17own 41Q4 9:231432Def. TD(−7 opp)2.60-2.6
19own 17Q4 3:23553—1.70-1.7
21own 34Q4 0:3940Punt2.30-2.3
23opp 25OT 0:0034Def. TD(−6 opp)3.73-0.7
12 drives6731427.324-3.3

Exp = points an average offense scores from that starting spot. +/− = actual minus expected.