Let’s be honest — nobody is picking the Miami Marlins as a favorite against the Philadelphia Phillies. Philadelphia is one of the most complete teams in the National League, and Miami has had a rough go of things this season. But here’s the thing about baseball: the underdog doesn’t need to win often to make money. They just need to win enough.
And that’s exactly what makes this line interesting.
DraftKings has the Marlins listed at +224 on the moneyline. That means a $100 bet returns $224 in profit if Miami pulls off the upset. In implied probability terms, the sportsbook is telling you Miami wins this game roughly 31% of the time or less. In a sport where even bad teams beat good ones at a meaningful rate, that number deserves a second look.
Now, we’re not here to pretend Miami is secretly a contender. They’re not. But baseball is the most variance-friendly sport on the board, and heavy underdogs at +200 or better have historically delivered positive expected value for bettors willing to stomach the losses along the way. The key word here is value — not certainty.
The Phillies are rightfully favored. Their lineup is dangerous, their rotation is solid, and Citizens Bank Park gives them a home-field edge. But lines this wide on a major-league game always raise a question worth asking: is the market overreacting to the name on the jersey rather than what might actually happen on the field that day?
At +224, you don’t need Miami to win every time. You need them to win more often than implied. That’s the entire game with underdog moneylines — find spots where the number is fatter than it should be, and let the math do the work over time.
This is a lean, not a lock. Treat it like one.
Where the value is
If you like underdogs with inflated lines, this number on Miami is worth considering:
- The play: Miami Marlins Moneyline +224
- Why: DraftKings lists Miami at +224 against Philadelphia — implying a win probability of roughly 31% or less. In MLB, even clear underdogs cover that threshold often enough to generate long-term value at this price.
- Read: This is a value lean on an underdog number, not a prediction. Bet only what you’re comfortable losing on a single game.
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Betting should be fun and responsible. Only wager what you can afford to lose, and never chase losses. If you feel gambling is becoming a problem, seek help through your local responsible gaming resources.

