Duke vs. Niagara betting: College basketball preview for Nov. 21

Data Skrive
Data Skrive

The No. 5 Duke Blue Devils (5-0) are heavily favored (by 39.5 points) to extend a four-game home winning streak when they host the Niagara Purple Eagles (2-2) on Friday, November 21, 2025 at 7 p.m. ET. The matchup has an over/under of 147.5 points.

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Spread

Duke Cover -39.5 vs Niagara -111

Bet $20, Payout $38.02

Duke vs. Niagara betting lines

  • Spread: Duke (-39.5)
  • Total: 147.5

Duke statistics, trends and more

As the home team

  • Duke covered the spread in a lower percentage of its home games than away games last year. Duke covered 11 times in 17 games at home, and it covered nine times in 11 games on the road.
  • The Blue Devils hit the over on the total in 10 of 17 home games (58.8%) last season, compared to five of 11 road games (45.5%).
  • When playing at home last season, Duke won more consistently as a moneyline favorite, posting a record of 17-0 (1.000). In road games, it was 9-1 (.900) as a moneyline favorite.

Last season stats

  • Last season, the Blue Devils were 11th-best in college basketball offensively (83.2 points scored per game) and seventh-best defensively (62.8 points allowed).
  • Duke was the 24th-best squad in college basketball in rebounds per game (35.6) and 12th-best in rebounds allowed (27.3) last season.
  • The Blue Devils were 17th-best in the country in assists (16.9 per game) last year.

Duke betting records this season

  • ATS Record: 4-1-0 (Home: 1-1-0; Away: 1-0-0)
  • O-U-P: 1-4-0 (Home: 0-2-0; Away: 1-0-0)
  • Record When Moneyline Favorite: 4-0 (Home: 2-0; Away: 0-0)
  • Record When Moneyline Underdog: 0-0 (Home: 0-0; Away: 0-0)
Field Goal % Opp. Field Goal % Rebounds Opp. Rebounds Assists Turnovers
49.7 (63rd in nation) 34.4 (ninth) 42 (15th) 30.8 (158th) 19.6 (26th) 10 (63rd)

Need to know more about sports betting before you put down a wager on Duke vs. Niagara? Here’s everything you need to know about how to bet.

Niagara statistics, trends and more

As the away team

  • Against the spread last season, Niagara had better results on the road (7-9-0) than at home (4-8-0).
  • In terms of the over/under, Purple Eagles games went over eight of 12 times at home (66.7%) last season, and eight of 16 away (50%).
  • The Purple Eagles’ winning percentage at home when moneyline underdogs was .000 (0-3) last season, and away it was .133 (2-13).

Last season stats

  • The Purple Eagles put up 68.5 points per game (313th-ranked in college basketball) last year, while ceding 71.4 points per contest (156th-ranked).
  • While Niagara ranked in the bottom 25 in the nation in boards per game with 27.9 (15th-worst), it ranked 104th in college basketball with 30.1 rebounds allowed per contest.
  • Last season the Purple Eagles ranked 260th in college basketball in assists, delivering 12.5 per game.

Niagara betting records last season

  • ATS Record: 13-17-0 (Home: 4-8-0; Away: 7-9-0)
  • O-U-P: 16-14-0 (Home: 8-4-0; Away: 8-8-0)
  • Record When Moneyline Favorite: 8-4 (Home: 5-4; Away: 1-0)
  • Record When Moneyline Underdog: 2-16 (Home: 0-3; Away: 2-13)
Field Goal % Opp. Field Goal % Rebounds Opp. Rebounds Assists Turnovers
45 (157th in nation) 45.7 (284th) 27.9 (344th) 30.1 (104th) 12.5 (260th) 11.5 (221st)
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