MLB Run Line (Spread)

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MLB Run Line Odds Explained

Betting against the spread or ATS for short is the most popular way to bet on MLB games and is also very simple to understand. Betting against the spread for MLB games is also commonly referred to as betting against the Run Line (RL). In other popular sports the run line is called the spread but since baseball scoring is a bit different the rules and names are different as well.

The team that is favored to win will be listed with a negative number (ie. -1.5) and that is the number they need to win the game by. MLB run lines are always listed as -1.5 for the favorite and +1.5 for the underdogs. This means that the favorite must win the game by 2 runs and the underdog can lose the game by a run or win the game outright for you to win an MLB run line bet. Since MLB games cannot end in a tie, there is no situation where an MLB run line bet can “push”.

Additionally, virtually all sports books do not allow you to “buy” any points in an MLB run line bet. Instead of adjusting the run line to -2 or -2.5, sports books will adjust the payouts for -1.5 favorites or +1.5 underdogs.

For example we will look at two different situations:

Example 1: The Red Sox are +105 vs. the Yankees who are -125 on the money line, their odds against the run line would be Boston +1.5 at -180 odds while the Yankees are -1.5 at +150 odds. The large difference in the run line odds are due to how close of a game this is projected to be via the money line odds.

Example 2: The Orioles are +220 vs. the Rays who are -270 on the line, their odds against the run line would be Baltimore +1.5 at +105 odds while Tampa Bay is -1.5 at -125 odds. The run line does not adjust to a higher number (ie: +/- 2.5), but instead will adjust the odds on the +/- 1.5 runs.

Betting against the spread in the MLB can be tricky and you must find value in your MLB spreads in order to remain profitable over the long term. To do this, BetQL has created value models to help you find which MLB games have the most value for MLB spread bets, MLB money line bets, and MLB totals.

MLB Betting Lines

Make sure when you are betting MLB run lines that you are seeing the most updated line before you place your bet. Many sites that display MLB odds are showing images of the opening line and you are left to fend for yourself when you go to place a bet at the book.

BetQL prides itself on having the most up to date MLB betting odds at all times. We are able to work closely with sportsbooks and are able to reflect up to the second MLB run line odds changes. If the line changes at your book you can be sure that BetQL has that updated MLB line. No longer do you have to go searching around to find MLB lines for the day because BetQL has everything you need. With BetQL you can also create a custom MLB run line dashboard that will help point you in the right direction of a winning bet. You can add and remove data such as the team’s run line record, the total number of sharp