Every team is in action on Tuesday in Major League Baseball, which means there are plenty of MLB betting opportunities.
However, the value doesn't always last long, so let's stop wasting time and dig right into today's MLB best bets, which include prop picks and predictions for Diamondbacks vs Dodgers, Mets vs Red Sox, Braves vs Nationals and Phillies vs Rockies.
Find all of our Tuesday MLB best bets — and a parlay of all our picks — below.
MLB Picks, Props, Predictions, Best Bets — Tuesday, May 20
| Game | Time (ET) | Pick |
|---|---|---|
  | 6:45 p.m. | |
  | 6:45 p.m. | |
  | 8:40 p.m. | |
  | 10:10 p.m. | |
Specific betting recommendations come from the sportsbook offering preferred odds as of writing. Always shop for the best price using our MLB Odds page, which automatically surfaces the best lines for every game. | ||
Bet Labs' Mets vs Red Sox Best Bet: Weather Suggests Under Play
By Bet Labs
Fenway Park is traditionally a hitter-friendly stadium, but when wind blows inward, it significantly suppresses offensive output — particularly fly balls that would otherwise clear the Green Monster or drop in for extra-base hits.
In games played at Fenway with inward wind conditions, both regular and postseason data show that the totals are often set too high. That creates a profitable contrarian angle, so we can take advantage of this weather-based edge, which isn't always fully baked into the market.
Pick: Under 9 (-110)
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Will Priester's Braves vs Nationals Best Bet: Back Strider
By Will Priester
Washington has been a pesky team, but I want to hop on some of these achievable lines for Spencer Strider before they start coming in at 6.5-8.5 strikeouts.
Strider is still one of the most electric pitchers in baseball and could easily get to six if he's dialed in. This is more of a strategy play due to the lower strikeout number that Strider's receiving today.
Pick: Spencer Strider Over 5.5 Strikeouts (-105)
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Will Priester's Phillies vs Rockies Best Bet: Trust Luzardo, Fade Rockies
By Will Priester
This is a wash, rinse and repeat situation for me.
The Rockies continue to strike out at an incredibly high clip, so getting plus money on Jesus Luzardo in this spot feels like a gift. Yes, we are asking for seven strikeouts, but I think this is extremely doable and worth the cost of admission.
Pick: Jesus Luzardo Over 6.5 Strikeouts (+128)
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Bet Labs' Diamondbacks vs Dodgers Best Bet: Runs May Be Limited
By Bet Labs
