MLB odds, lines, picks, predictions for Monday, Aug. 3: 3-way parlay pays over +500

The trade deadline at 6 p.m. ET is approaching, and a limited eight-game Major League Baseball schedule is set for Monday, including an intriguing National League matchup between the Los Angeles Dodgers and Chicago Cubs at Wrigley Field in Chicago at 8:05 p.m. ET. Other interesting matchups to consider within an MLB parlay include Nationals vs. Phillies, Cardinals vs. Yankees, Pirates vs. Brewers and Padres vs. Diamondbacks.

Arizona is the -111 favorite (risk $111 to win $100) over the Padres per the latest MLB odds as these two National League West wild card contenders open a four-game set. The Phillies (-155) are also favored versus the Nationals, with the Dodgers (-122) road favorites vs. the Cubs.

Before locking in any MLB bets or parlays, make sure you see what SportsLine's advanced computer model has to say. 

The SportsLine Projection Model simulates every MLB game 10,000 times and entered Week 20 of the MLB season on a sizzling 42-29 run on all top-rated MLB picks. It also excelled at making home run prop picks in 2025, returning nearly 30 units of profit. Anybody following could have seen strong returns!

The model has evaluated the Monday MLB odds and locked in three confident MLB best bets. If you successfully parlay them you'd be looking at a big payout of over +500.

One pick we'll give away: The model is backing the Under in the Rays vs. Rockies matchup, saying the Under hits nearly 60% of the time. 

The model has also locked in two other plays, creating an MLB parlay which pays out over +500! You ABSOLUTELY need to see it right now.

So what are the MLB best bets for Monday? ... Join SportsLine now to see who wins every single MLB game, all from the model that's on a 42-29 run on top-rated MLB picks!

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