Washington State vs. Portland Dunkel Predictions & Vegas Odds - Dec. 28

The Washington State Cougars (5-8, 0-0 WCC) face the Portland Pilots (7-6, 0-0 WCC) as 4.5-point favorites on Sunday, December 28, 2025 at 5 p.m. ET on ESPN+. The matchup's over/under is set at 153.5.

Their last time out, Washington State won on Saturday 84-78 against Mercer. Aaron Glass scored a team-leading 24 points for Washington State in the win. Portland's most recent game on Monday ended in a 79-61 loss to UCSB. James O'Donnell scored a team-high 15 points for Portland in the loss.

Washington State vs. Portland Odds and Game Time

• When: Sunday, December 28, 2025 at 5 p.m. ET
• Where: Chiles Center in Portland, Oregon
• Spread favorite: Washington State -4.5
• Moneyline favorite: Washington State -198
• Moneyline underdog: Portland +165
• Over/Under: 153.5 points

How to watch Washington State vs. Portland

• TV Channel: ESPN+
• Check out the rest of our Dunkel Index NCAA Basketball Picks!

Betting the Over/Under: Washington State vs. Portland

• Washington State and its opponents have combined to outscore Sunday's total (153.5 points) six times this season.
• There have been seven Portland games that ended with a combined score higher than 153.5 points this season.
• The total for the game of 153.5 is 4.4 points fewer than the combined points per game averages for the Cougars (76.2) and Pilots (81.7).
• This matchup's over/under is 5.7 fewer points than the 159.2 these two teams combine to give up per game in 2024.
• The over/under for this matchup, 153.5 points, is the same as the average over/under in Washington State's games this season.
• Portland's games have an average over/under of 163.6 points this season, 10.1 more points than the over/under for this game.

Betting the Spread: Washington State vs. Portland

• Washington State has five wins against the spread in 13 games this year.
• This season, the Cougars have just two ATS wins in five games as a favorite of 4.5 points or more.
• Against the spread, Portland is 4-7-0 this season.
• The Pilots have covered the spread once this year when underdogs by 4.5 points or more (in six chances).
• Portland is 5-2 overall, and 4-3 against the spread, at home.
• Portland has two wins ATS (2-1) as a 4.5-point underdog or greater at home.
• Washington State is 0-3 overall, with two wins against the spread, away from home.

Betting the Moneyline: Washington State vs. Portland

• Washington State has entered the game as moneyline favorites five times this season and won four of those games.
• The Cougars have entered four games this season favored by -198 or more and are 3-1 in those contests.
• Bookmakers have implied with the moneyline set for this matchup that Washington State has a 66.4% chance to win.
• Portland has come away with one win in the seven contests it has been listed as the moneyline underdog this season.
• This season, the Pilots have been victorious one time in six chances when named as an underdog of at least +165 or worse on the moneyline.
• Portland has an implied victory probability of 37.7% according to the moneyline set for this matchup.