With Betrivers Colorado sportsbook you can use bonus cash to place bets on NBA 2K League esports odds, MLB, NBA, NCAAB, NFL matches, NCAAF matches and futures, NHL, UFC, Soccer, Tennis, Table tennis, golf and more. Betrivers Colorado Promo & Signup Bonus Betrivers CO Promo Code: CLICK HERE Betrivers Colorado Signup Bonus: Up to $500 Risk-Free Bet Welcome Bonus Terms Min.