The team with the best record in baseball faces off against the reigning World Series champions when the Tampa Bay Rays host the Houston Astros on Monday at Tropicana Field in St. Petersburg, Fla. The Rays (19-3) started the season winning their first 13 games and enter Monday having won five in a row. Meanwhile the Astros (12-10) are coming off a three-game sweep of the Braves in Atlanta.

Tampa Bay is a -155 favorite in the latest Rays vs. Astros odds from Caesars Sportsbook, while Houston is a +130 underdog. The over/under for runs scored is 8.5. The game is one of 11 on the MLB schedule for Monday. (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 is on a 26-21 run dating back to the end of last season. Anybody who has followed it has seen profitable returns.

The model has set its sights on the MLB schedule for Monday and has generated a three-leg parlay that would pay more than 6-1. The parlay doesn't start until 6:10 p.m. ET, giving you plenty of time to make your MLB picks.

We can tell you that one of the picks is the Orioles (+105) to beat the Red Sox. But the model has two other picks, including a play on an even bigger American League underdog! You ABSOLUTELY need to see them before locking in any MLB picks of your own.

So which American League underdog is a MUST-BACK? And what other teams do you need to include in your parlay for a payout of more than 6-1? ... Join SportsLine right now to find out which picks you should be all over on Monday, all from the model that is on a 26-21 run on top-rated money-line picks!