Umatilla
Umatilla Vikings
UMAT
1-0 Overall • Away
     
      
Riverdale
Riverdale Mavericks
RIVE
0-0 Overall • Home
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Umatilla Vikings at Riverdale Mavericks — Saturday, Dec. 27 (4:30 p.m. PT) at Riverdale High

SBLive Report,            

Riverdale High School -

Umatilla visits Riverdale for a winter high school matchup at Riverdale High School on Saturday, Dec. 27, 2025. Tip is set for 4:30 p.m. PT. Fans can find full game details on the SBLive game page: https://scorebooklive.com/oregon/basketball/games/5884677-umatilla-vs-riverdale

Teams

  • Riverdale Mavericks — home team: https://scorebooklive.com/oregon/basketball/teams/134759-riverdale-mavericks

  • Umatilla Vikings — away team: https://scorebooklive.com/oregon/basketball/teams/190180-umatilla-vikings

What to expect

  • Location: Riverdale High School (Portland area)

  • Date/time: Saturday, Dec. 27, 2025 — 4:30 p.m. PT

  • Status: Upcoming

  • Last meeting: No previous-meeting data available on the SBLive game page.

Streaming and ticketing

  • Possible streaming: Both schools list NFHS Network pages; fans can check for broadcasts or archived video: Riverdale on NFHS Network — https://nfhsnetwork.com/schools/riverdale-high-school-portland-or/basketball?referrer_name=scorebooklive&utm_campaign=scorebooklive&utm_medium=referral&utm_source=scorebooklive; Umatilla on NFHS Network — https://nfhsnetwork.com/schools/umatilla-high-school-umatilla-or/basketball?referrer_name=scorebooklive&utm_campaign=scorebooklive&utm_medium=referral&utm_source=scorebooklive

  • Ticketing: No ticketing information provided on the SBLive game page. Check the school’s athletic site or the game page for updates: https://scorebooklive.com/oregon/basketball/games/5884677-umatilla-vs-riverdale

Follow, engage and make picks

  • SBLive fans: Riverdale — 1 fan; Umatilla — 5 fans. Picks (fan picks) are currently 0 for both teams on SBLive. These counts can change — follow the teams on SBLive to increase their fan totals and make picks to show support. Picks are for fan engagement and are not tied to any official win projections.

  • Upcoming next games: Riverdale next on SBLive — Riverdale at Banks, Jan. 21, 2026 (https://scorebooklive.com/oregon/basketball/games/5803080-riverdale-vs-banks). Umatilla next on SBLive — TBA vs Umatilla, Jan. 1, 2026 (https://scorebooklive.com/oregon/basketball/games/5884676-tba-vs-umatilla).

Why tune in

This early-season meeting is a chance to see two programs square off before conference play ramps up. With streaming links available via NFHS Network pages and full coverage information on the SBLive game page, fans around Oregon can follow the action. Bookmark the game page and follow the teams to get updates, add your pick, and help grow the fan community on SBLive: https://scorebooklive.com/oregon/basketball/games/5884677-umatilla-vs-riverdale