Putting Up Numbers· college football

Boston College’s points allowed with Bo MacCormack III and without Bo MacCormack III

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Against what the season’s ratings expected, Boston College was 3.6 points over with Bo MacCormack III and 6.3 points under without Bo MacCormack III over its last 25 games, 14 games against 4. The plain averages are 31.8 and 25.6, a difference of 6.2.

Bo MacCormack III, running back: 311 rushing yards, 73 carries and 9 receptions in 11 of those 25 games.

points allowed a game over expected

A +10.0 difference in points allowed over expected with Bo MacCormack III vs without Bo MacCormack III is unusual: shuffle which games were with Bo MacCormack III and it comes up 5 times in 100.

A +6.2 difference in points allowed with Bo MacCormack III vs without Bo MacCormack III is about what you’d expect.

The games

with Bo MacCormack IIIwithout Bo MacCormack III
Boston College’s games, last 25 games, each marked with Bo MacCormack III or without Bo MacCormack III
SideDateGameResultpoints allowedExpected
Nov 9, 2024vsSyracuseW3129.7
Nov 16, 2024@SMUL3834.3
Nov 23, 2024vsNorth CarolinaW2127.3
Nov 30, 2024vsPittsburghW2326.4
Dec 28, 2024vsNebraska (neutral)L2025.2
Aug 30, 2025vsFordhamW10—
Sep 6, 2025@Michigan StateL4233.1
Sep 13, 2025@StanfordL3028.3
Sep 27, 2025vsCaliforniaL2829.2
Oct 4, 2025@PittsburghL4836.9
Oct 11, 2025vsClemsonL4129.5
Oct 18, 2025vsUConnL3828.4
Oct 25, 2025@LouisvilleL3835.4
Nov 1, 2025vsNotre DameL2547.0
Nov 8, 2025vsSMUL4533.6
Nov 15, 2025vsGeorgia TechL3632.9
Nov 29, 2025@SyracuseW1228.1
Sep 5, 2026@CincinnatiL3429.7
Sep 11, 2026vsRutgersW2125.8
Sep 19, 2026vsMaineW16—
Sep 26, 2026vsVirginia TechL2127.6
Oct 3, 2026@SMUL2531.6
Oct 17, 2026vsPittsburghW2127.1
Oct 24, 2026@Georgia TechW2726.3
Oct 31, 2026@DukeL4723.1

Method

Read against .

  • Expected is an offense and a defense a team, fit over every game of its season between two teams in the table with the game being read left out, minus 1.5 in 2025, minus 1.9 in 2026 for the home team (the edge the fit finds once strength is in), nothing at a neutral site.
  • Each expected number is then fit to the season’s games: a game bears out about 78% in 2025, 66% in 2026 of the difference the model predicts.
  • The shuffle keeps the season’s shape: the games are cut in two where one date leaves the least variance, each game is read against its stretch, and the sides are shuffled only inside each stretch.
  • Fordham, Maine have no other game in the table, so those games have no expected number and sit out the second figure.
  • Who played is read from the schools’ box scores’ participation lists, which name every player who entered the game.
  • 5 games in 2024 are neither with Bo MacCormack III nor without Bo MacCormack III: Bo MacCormack III had no game for the team that season, and sit out.