The Oakland A's will try to stay hot when they square off against the Tampa Bay Rays in the second game of a four-game series on Tuesday at Oakland Coliseum. After starting the season 12-50, the A's (18-50) have won six straight games. Despite the winning streak, they still have the worst record in the majors. Meanwhile the Rays (48-21) own the best record in baseball. 

Tampa Bay is a -225 favorite in the latest Rays vs. A's odds from Caesars Sportsbook, while Oakland is a +185 underdog. The over/under for runs scored is 8.5. The game is one of 15 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. It has opened the 2023 MLB season on a 33-25 roll on all-top rated MLB picks. Anybody who has followed it 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 9-1! 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 Reds (-105) to beat the Royals. On Monday Cincinnati won the first game of the three-game series, 5-4, in 10 innings. With the win, the Reds have won three straight games and six of their last eight. Meanwhile the Royals have lost seven straight and are just one game ahead of the streaking A's for the worst record in baseball. 

The model also has two other confident picks, including a play on a big National League underdog! You ABSOLUTELY need to see them before locking in any MLB picks of your own.

So which big National League underdog is a MUST-BACK? And what other teams do you need to include in your parlay for a payout of 9-1? ... Join SportsLine right now to find out which picks you should be all over on Tuesday, all from the model that is on a 33-25 roll on all-top rated MLB picks!