Mets ace Jacob deGrom finally makes his season debut when he takes the mound for the New York Mets on Tuesday against the Washington Nationals at Nationals Park in Washington, D.C. A two-time NL Cy Young Award winner, deGrom has battled a string of injuries that has kept him from pitching in the majors since July 7, 2021. 

New York is a -365 favorite in the latest Mets vs. Nationals odds from Caesars Sportsbook while Washington is a +285 underdog. First pitch is set for 7:05 p.m. ET. The game is one of 16 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, and it enters Week 18 on a 20-14 roll on top-rated MLB picks, returning almost $400 for $100 players. This is the same model that pegged the 2021 Atlanta Braves at 10-1 as one of three best bets to win the World Series. Anybody who has followed the model has seen profitable returns.

Now, the model has set its sights on the MLB schedule for Tuesday, Aug. 2. Using its top picks for the day, the model has generated a four-leg parlay that would pay more than 19-1! The parlay doesn't start until 7:05 p.m. ET, giving you plenty of time to make your MLB picks.

We can tell you that one of the picks is the Rays (+110) to beat the Blue Jays. But the model has three other 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 underdog is a MUST-BACK? And what other teams do you need to include in your parlay for a payout of more than 19-1? ... 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 MLB money-line picks!