4 Underdog Fantasy Picks for Tonight’s MLB Slate

Tonight’s Underdog Fantasy MLB slate is packed with value. Here are 4 of the top higher or lower picks to lock in before first pitch.
Jose Altuve of the Houston Astros steps up against the Guardians looking to stay hot at the plate
Jose Altuve of the Houston Astros steps up against the Guardians looking to stay hot at the plate.
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If you're looking for the best Underdog MLB picks for tonight’s MLB matchups, you’re in the right place. With some heavy hitters like Jose Altuve and Fernando Tatis Jr. on the board, along with a few key value plays like Ryan Kreidler, there’s some real potential to build a winning card and walk away with some cold hard cash.

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Use Underdog Fantasy bonus code BETTORS
Use Underdog Fantasy bonus code BETTORS

Who’s going higher and who’s going lower? These are the 4 best MLB picks.

Jose Altuve Higher Than 0.5 Home Runs

  • Pick ‘em Payout: 5.17x

This one’s a bit more aggressive than we usually go after, but the upside is there.

Altuve’s off to a smoking hot start in 2025. He’s already batting .389 with a homer under his belt. He’s been consistent through the early stretch of games, going 7-for-18 in the last 4 games with an OPS over 1.000. That’s hard to beat.

Tonight, he’s facing the Guardians and Logan Allen, a lefty who posted a 5.51 ERA last year. Altuve mashed .305 vs. LHPs in 2024 and had a .333 average overall against Cleveland last season, including a bomb deep to left field.

This is a boom-or-bust swing, but with his matchup, unquestionable power potential, and insane 5.17x return, it's worth the shot.

Ryan Kreidler Lower Than 0.5 Hits + Runs + RBIs

  • Pick ‘em Payout: 1.36x

This is one of the safer plays on the board, but then again, you have to have a good mix on your card.

Kreidler is just not producing, yet. He’s batting .167 through 2025 and had only 1 hit in 4 games to start the season. Beyond this year, his career hasn’t shown much pop, and he’s facing Logan Gilbert, who held a 3.23 ERA last year and dominates against weaker lineups.

Kreidler also doesn’t have any track record against Seattle and hasn’t shown he can string together productive ABs. This will be unfamiliar territory for him. If he’s buried in the lineup and not generating scoring chances, this prop is a smart fade.

With a low ceiling and floor, we have high confidence on the under.

Fernando Tatis Jr. Higher Than 0.5 Stolen Bases

  • Pick ‘em Payout: 3.01x

Tatis brings a bit of everything to the field every day, and tonight he’s got a clear opportunity to swipe a bag. He’s already stolen one this season and had 8 steals in just 80 games last year which goes to show he’s not afraid to take off when the situation’s right.

Against Cleveland’s Logan Allen, the lefty starter with a slow move to the plate and high ERA, Tatis should have chances if he gets on — and he’ll get on. He’s hitting .409 already this season with multiple multi-hit games, so getting on base definitely isn’t an issue.

A 3.01x multiplier on a player with elite speed and high OBP? That’s some of the best Underdog value of the day. We love this pick in a spot where San Diego may look to stay aggressive on the basepaths.

Garrett Crochet Higher Than 7.5 Strikeouts

  • Pick ‘em Payout: 1.13x

Crochet had a solid debut for Boston, going 5 innings with 4 Ks and just 2 ER. Not terrible. While that start wasn’t lights out, it set the stage. His 2024 numbers are what really shine — 209 strikeouts in 146 innings — that’s 12.9 K/9.

He’s facing the Rays tonight, who struggled against LHPs last season with a .238 AVG and didn't make a ton of contact. Crochet’s stuff plays well against right-heavy lineups, and if he can go 6+ innings, he should cruise past this number. We think he’ll go far in tonight’s game after the decent warm-up game he’s already had.

We like him to bounce back with a strong outing and rack up 8+ Ks.

These Are the Best MLB Underdog Picks of the Day

Altuve’s power, Tatis’ all-around production, and Crochet’s strikeout ceiling give you the upside and Kreidler brings the value on the under. This card offers a solid mix of risk and reliability heading into tonight’s games.

Punch these picks into your Underdog slip and let’s see if we can cash.

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