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MLB Betting Guide: Friday 6/21/19

numberFire has built comprehensive algorithms to pinpoint the bets with the highest probability of returning money, whether you are betting on the total, a line, or moneyline. For those new to numberFire, we use a five-star system to show which bets you should be targeting on any given night. Stars represent how much you should risk on a wager relative to what you would normally bet.

For example, if you would normally bet $110 to win $100 on a -110 spread wager, if we give a 3-star ranking, we suggest risking three times that amount: $330 to win $300.

Using our models as a guide, let's take a look at the best bets for today.

Please note that lines are subject to change throughout the day after this article is published. Please check here to make sure you're seeing the most updated information.

Toronto Blue Jays at Boston Red Sox

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