The Tampa Bay Rays will try to improve on the best start in franchise history when they take on the Washington Nationals on Tuesday at Nationals Park in Washington. With the team's 6-2 win over Washington on Monday, the Rays are off to their 4-0 start ever. Tuesday's game will see Tampa Bay's Josh Fleming takes the mound against the Nationals' Chad Kuhl. 

Tampa Bay is a -190 favorite in the latest Rays vs. Nationals odds from Caesars Sportsbook, while Washington is a +158 underdog. The over/under for runs scored is 9. The game is one of 14 on the MLB schedule for Tuesday. (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. It went 331-285 on top-rated MLB money-line picks (+357) over the past two seasons, and it finished the 2022 MLB season on a 20-14 roll. Anybody who has followed the model has seen profitable returns.

Now, the model has set its sights on the MLB schedule for Tuesday and has generated a three-leg parlay that would pay well over 11-1! The parlay doesn't start until 6:40 p.m. ET, giving you plenty of time to make your MLB picks.

We can tell you that one of the picks is the Brewers (+140) to beat the Mets. But the model has two 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 11-1? ... Join SportsLine right now to find out which picks you should be all over on Tuesday, all from the model that is on a 20-14 run on top-rated money-line picks!