https://www.covers.com/sportsoddshistory/nfl-win/?y=2021&sa=nfl&t=win
2021 NFL Regular Season Win Totals Odds | Sports Odds History by Covers
May 16, 2014 - Sports Odds History on Covers features historical betting odds, archived futures, and season-by-season market data for major pro and college sports.
season win totalsodds sportsnflregular