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MLB Best Bets: Top MLB predictions and picks for Sunday 8/3/25

MLB Best Bets: Top MLB predictions and picks for Sunday 8/3/25

Published:

By: Dan Johnson

I’ll have full game write-ups ready for Mariners vs. Rangers and Phillies vs. Tigers tonight here in just a bit. Having said that, based on my preliminary research, here are my three favorite baseball bets for tonight’s slate, separate from my game predictions and previews.

Links to DraftKings Sportsbook provided for all bets below!


Mariners (+120) vs. Rangers

The Mariners are a live home underdog with the sharper edge at plus money. Texas is starting Jacob deGrom, who carries a glossy 2.55 ERA, but Seattle has shown they can nick him. In two meetings this season, the Mariners tagged deGrom for two homers and four earned runs. With a low total of 7.5 runs projected, every run looms large, and that setup favors the underdog in a tight duel. Seattle’s offense, led by its young core, has been heating up and is coming off a strong two-week stretch in power. Meanwhile, the Rangers’ bats have cooled off—call it a D-grade matchup quality today, and could struggle in pitcher-friendly T-Mobile Park.

On the mound, Logan Evans (4.92 ERA) is no household name, but he’s capable of keeping Texas in check long enough for Seattle’s bullpen to take over. Evans is backed by a Mariners relief corps that has been reliable at home, whereas deGrom often exits around the sixth inning, handing things to a shaky Texas bullpen. The Mariners own a slightly better record than Texas (59-53 vs. 58-54), underscoring that these teams are evenly matched. With Seattle playing confident ball and not intimidated by deGrom’s mystique, the value is squarely on the Mariners moneyline to pull the mild upset. This is a prime spot to back the home dog—Seattle’s got the momentum and the matchup savvy to lock in a win at +121.

Cardinals (+150) at Padres

Bank on the Cardinals as a juicy underdog in this spot. The Padres are overvalued behind Dylan Cease, whose 3-10 record and bloated 4.79 ERA tell the tale of an ace in name only. Cease was rocked for five earned runs in his last outing and has managed just two scoreless starts in 22 appearances this year. San Diego is just 34-23 as a favorite (59.6%), so they’re hardly a lock when laying chalk. By contrast, the Cardinals have won 48.1% of their games as underdogs. That’s well above the mere 40% implied by their +150 odds. This discrepancy screams value. St. Louis sends out Andre Pallante (6-7, 4.62 ERA) who is quietly serviceable. Pallante has notched eight quality starts and averages 5.6 innings per outing, showing he can keep his team in games. He’s allowed zero earned runs in four appearances, flashing occasional dominance even on a middling club.

The Cardinals offense is fully capable of roughing up Cease. San Diego’s supposed pitching edge isn’t so big once you dig in – Cease’s opponent batting average is a pedestrian .268 and he’s walking too many hitters, leading to frequent trouble. Meanwhile, St. Louis’ lineup features veteran bats that thrive against high-octane pitchers and a top-10 team OPS in high-leverage spots (an area Cease has struggled in this season). With St. Louis playing loose and San Diego just 9-5 when favored at -180 or shorter, the pressure is all on the Padres. Expect the Cards to pounce on mistakes. At +150, the Cardinals moneyline is the sharper side.

Rockies vs. Pirates u11.0 total runs (-115)

Contrary to public perception, the Coors Field slugfest won’t repeat itself in this series finale. After a 33-run explosion in Game 1 of this set, oddsmakers hung a sky-high total (11.5 runs) that savvy bettors should attack on the underside. We have several factors pointing to a lower-scoring affair. Mitch Keller takes the hill for Pittsburgh, and he’s in peak form with a 3.69 ERA and 3.45 FIP across 127 innings. Keller is striking out nearly 8 batters per nine and keeping the ball in the park, engineering the best season of his career. He can neutralize a feeble Rockies lineup (Colorado is just 30-80 on the year, struggling to score consistently). On the other side, rookie Bradley Blalock’s ugly 7.09 ERA is a mirage from only 33 innings of work. The kid actually has decent stuff, and facing a Pirates offense that has trended Under in 59 of its last 99 games, he won’t need to be perfect.

Weather conditions favor pitching, too. It’s a warm day in Denver, but a 13 mph breeze is blowing in from right-center, which will knock down some deep flies that normally clear Coors’ walls. Recent betting trends underscore the value: Pittsburgh games have cashed the under at a 59% clip this season, and both teams often fail to reach their own team totals. SportsLine’s advanced model projects only 10 runs in this game on average, suggesting the market has overcorrected for Friday’s outlier shootout. Sharps are even grabbing alternate unders (10.5 at +117), indicating strong confidence in a tighter game. Follow the smart money and grab under 11.5. With an in-form Keller suppressing Colorado and the Rockies’ bats limp overall, this matchup should crawl well below the inflated number.

Dan Johnson has been an editor, writer, and analyst for DraftKings and DraftKings Network since 2024. He’s previously held editorial posts at The Paris Review, Macmillan Publishers, Bedford/St. Martin’s Press, ASSIGNMENT Magazine, and FantasySixPack. You can find his various editorial work & writing (sports-related and non-) at all of the above.
Disclaimer

I am a promoter at DraftKings and am also an avid fan and user (my username is thegreatdansby9) and may sometimes play on my personal account in the games that I offer advice on. Although I have expressed my personal view on the games and strategies above, they do not necessarily reflect the view(s) of DraftKings and do not constitute a representation that any particular strategy will guarantee success. All customers should use their own skills and judgment in building lineups. I may also deploy different players and strategies than what I recommend above. I am not an employee of DraftKings and do not have access to any non-public information.