The Atlanta Braves will try to match the franchise's longest winning streak in almost a decade when they close out a three-game series on Wednesday at Nationals Park in Washington, D.C. Already the longest winning streak in the majors this season, the Braves' current 13-game run is the franchise's best since it won 14 consecutive games from July 26 to Aug. 9, 2013.

Atlanta is a -190 favorite in the latest Braves vs. Nationals odds from Caesars Sportsbook while Washington is a +170 underdog. First pitch is set for 7:05 p.m. ET. The game is one of 15 on the MLB schedule for Wednesday. (See up-to-date lines for every game on our MLB odds page.)

Before making any MLB picks or parlays, be sure to see the predictions and betting advice from SportsLine's proven computer model.

The SportsLine Projection Model simulates every MLB game 10,000 times and it is off to a strong start to the 2022 season. It's on a 55-42 roll on top-rated MLB money-line picks through 10 weeks, returning more than $600 for $100 players. Anyone following it has seen huge returns.

Now, the model has set its sights on the MLB schedule for Wednesday, June 15. Using its top picks for the day, the model has generated a four-leg parlay that would pay well over 18-1! The parlay doesn't start until 7:10 p.m. ET, giving you plenty of time to make your MLB picks.

We can tell you that one of the picks is the Padres (+120) to beat the Cubs. But the model has three other picks, including a play on an even bigger underdog! You ABSOLUTELY need to see them before locking in any MLB picks of your own.

So which big underdog is a MUST-BACK? And what other teams do you need to include in your parlay for a payout of well over 18-1? ... Join SportsLine right now to find out which picks you should be all over on Wednesday, all from the model that is on a 55-42 roll on top-rated MLB money-line picks through 10 weeks!