March Madness 2025: Top Bracket-Busting Upsets & Best Underdog Betting Picks

March Madness 2025: Top Bracket-Busting Upsets & Best Underdog Betting Picks

By Michael Harrison

March 22, 2025 at 07:48 PM

Two basketball players face off court

Two basketball players face off court

The 2025 NCAA Tournament is here, bringing prime opportunities for bracket-busting upsets. Here are the most promising underdogs and likely upsets for March Madness first-round games.

Most Likely Bracket Upsets:

  • #12 Colorado State over #5 Memphis

    • Rams are betting favorites
    • Top-3 in Mountain West scoring offense and defense
  • #10 Arkansas over #7 Kansas

    • Strong SEC defensive ranking
    • Well-equipped to challenge Jayhawks
  • #12 UC San Diego over #5 Michigan

    • Impressive 30-4 record
    • #1 in Big West scoring defense

High-Seed Upset Potential:

  • #13 Akron (+750) over Arizona

    • MAC's top scoring offense (84.6 PPG)
    • Can match Arizona's offensive output
    • 11.6% implied win probability
  • #14 Troy (+500) over Kentucky

    • Top-3 Sun Belt defensive team
    • Kentucky struggles defensively
    • 16.67% implied win probability
  • #15 Bryant (+1250) over MSU

    • American East scoring leaders (86.4 PPG)
    • 7.41% implied win probability

Best First-Round Betting Values:

New Mexico (+150)

  • Mountain West's top scoring team
  • 34.7% from three-point range
  • Fast-paced style (4th in KenPom tempo)
  • Facing slumping Marquette

Grand Canyon (+450)

  • WAC scoring leaders (79.9 PPG)
  • 18.18% implied win probability
  • High-scoring matchup vs Maryland

BACK IN FRONT! @Donovandent1 📺 @CBSSportsNet #GoLobos | #MWMadness pic.twitter.com/wC0PMBaFOc

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