The Tampa Bay Lightning are -400 to beat the Detroit Red Wings.If you are betting on the Yankees, you need to wager $200 to win $100 if your bet is correct with the Yankees winning. The New York Yankees are -200 to beat the New York Mets.If you’re betting the Patriots, you would need to wager $500 in order to win $100 if your bet is correct with the Patriots winning. The New England Patriots are -500 against the Buffalo Bills.Here are some negative money line examples: In sports betting, a negative money line (represented as -200, -300, -400, etc.) represents the amount of money that you need to bet in order to win $100 if your bet is correct. Part of our goal at SportsbookWire is to educate the new and/or casual sports bettor on the typical terms around legal sports betting and the various nuances that go into making a sports bet or wager. New states are opening their arms to the world of legal sports betting and are opening opportunities for you to take part in making legal sports bets on your favorite teams in casinos, race tracks and through online betting. The legal sports betting world is changing. Auto Racing / NASCAR Picks and Predictions.