
2025 March Madness Opening Odds: Complete First-Round Betting Lines, Spreads, and Totals Released
Opening odds for the 2025 NCAA Tournament first-round games reveal several notable betting lines and trends. Here are the key highlights and analysis:

Gator player shooting basketball
Notable First-Round Lines:
- #12 Colorado State (-3.5) favored over #5 Memphis
- Largest spread: Houston (-27.5) vs SIU Edwardsville
- Second-largest: Florida (-26.5) vs Norfolk State
Key Totals to Watch:
Highest Total:
- Akron vs Arizona (167.5)
- Both teams play up-tempo (Arizona 54th, Akron 16th fastest)
- Akron is 19-12-1 O/U (61.3% over rate)
Lowest Total:
- SIU Edwardsville vs Houston (127.5)
- Houston: #1 rated defense, 5th-slowest pace
- KenPom projects: Houston 75, SIUE 51
Tournament Updates:
- Cooper Flagg cleared to play, Duke returns as outright favorite
- Colorado State line moved from -2.5 to -3.5 vs Memphis due to analytics ratings
- Florida enters on strong momentum after SEC Tournament title
Key Stats:
- Arizona: 19-15 over/under
- Houston: 14-19-1 over/under
- SIUE: 15-16 over/under
Must be 21+. GAMBLING PROBLEM? Call 1-800-GAMBLER