Idaho vs. Cal Poly betting: College basketball preview for Dec. 21

Data Skrive
Data Skrive

The Cal Poly Mustangs (5-8) are 1.5-point underdogs as they try to stop a three-game losing streak when they host the Idaho Vandals (7-4) on Sunday, December 21, 2025 at Robert A. Mott Athletics Center. The matchup airs at 7 p.m. ET on ESPN+. The matchup has a point total of 167.5.

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Idaho Cover -1.5 vs Cal Poly -113

Bet $20, Payout $37.70

Idaho vs. Cal Poly betting lines

  • Idaho moneyline odds to win: -135
  • Cal Poly moneyline odds to win: +113
  • Spread: Idaho (-1.5)
  • Total: 167.5

Idaho statistics, trends and more

As the away team

  • At home, Idaho sports a better record against the spread (1-0-0) compared to its ATS record on the road (2-3-0).
  • In terms of over/unders, the Vandals hit the over less often when playing at home, as they’ve gone over the total zero times in one opportunity this season (0%). On the road, they have hit the over three times in five opportunities (60%).
  • In home games, Idaho has won more often as a moneyline favorite, posting a record of 1-0 (1.000). In away games, it is 0-1 (.000) as a moneyline favorite.

Last season stats

  • The Vandals were 186th in the country in points scored (73.6 per game) and 283rd in points conceded (75.5) last year.
  • With 29.9 rebounds per game and 30.7 rebounds conceded, Idaho was 300th and 147th in the country, respectively, last season.
  • The Vandals were 274th in college basketball in assists (12.3 per game) last season.

Idaho betting records this season

  • ATS Record: 4-4-0 (Home: 1-0-0; Away: 2-3-0)
  • ATS Record When Favored by 1.5+: 2-2-0 (As Favorite: 2-2-0; As Underdog: 2-2-0)
  • O-U-P: 4-4-0 (Home: 0-1-0; Away: 3-2-0)
  • Record When Moneyline Favorite: 2-2 (Home: 1-0; Away: 0-1)
  • Record When Moneyline Underdog: 2-2 (Home: 0-0; Away: 2-2)
Field Goal % Opp. Field Goal % Rebounds Opp. Rebounds Assists Turnovers
46.6 (126th in nation) 43.0 (160th) 34.6 (115th) 26.6 (17th) 15.8 (106th) 10.8 (107th)

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

Cal Poly statistics, trends and more

As the home team

  • Cal Poly’s winning percentage against the spread at home is .000 (0-2-0). On the road, it is .625 (5-3-0).
  • Mustangs games have gone above the over/under more often at home (two times out of two) than on the road (six of eight) this season.
  • The Mustangs’ winning percentage at home when moneyline underdogs is .000 (0-1), and away it is .429 (3-4).

Last season stats

  • Although the Mustangs allowed 82.9 points per game (-1-worst in college basketball) on defense last year, their offense was very good, as they ranked 20th-best in college basketball by posting 82.1 points per game.
  • Last season Cal Poly averaged 30.9 boards per game (239th-ranked in college basketball) and ceded 34.2 rebounds per contest (332nd-ranked).
  • The Mustangs ranked 66th in the country with 15.3 assists per game.

Cal Poly betting records this season

  • ATS Record: 5-6-0 (Home: 0-2-0; Away: 5-3-0)
  • ATS Record When Underdog by 1.5+: 5-4-0 (As Favorite: 0-2-0; As Underdog: 5-4-0)
  • O-U-P: 8-3-0 (Home: 2-0-0; Away: 6-2-0)
  • Record When Moneyline Favorite: 0-2 (Home: 0-1; Away: 0-1)
  • Record When Moneyline Underdog: 3-6 (Home: 0-1; Away: 3-4)
Field Goal % Opp. Field Goal % Rebounds Opp. Rebounds Assists Turnovers
43.9 (262nd in nation) 46.1 (300th) 35.0 (96th) 33.0 (282nd) 13.2 (268th) 16.5 (363rd)
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