Miami Marlins @ Arizona Diamondbacks
Mon Sep 14, 9:41 PM ET
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Odds from the latest scan: September 13, 4:37 PM ET. Live odds for this game.
Polymarket US pays the most on Miami Marlins at +125, and BetOnline pays the most on Arizona Diamondbacks at -130. Across the 11 books pricing this game the best and worst numbers are $20.00 apart on a $100 bet.
Best MLB price on Miami Marlins vs Arizona Diamondbacks, compared across every major US sportsbook plus Kalshi, Polymarket US, ProphetX and Novig. Mon Sep 14, 9:41 PM ET.
Games starting within 24 hours refresh every minute; later games every 30 minutes and every hour as kickoff approaches during the beta; the free board refreshes hourly.
Moneyline Line HistoryMiami Marlins +125 Polymarket US·Arizona Diamondbacks -130 BetOnline
Every Book's Moneyline
| Book | Miami Marlins | Arizona Diamondbacks |
|---|---|---|
| BetOnline | +118 | -130 |
| LowVig | +118 | -130 |
| FanDuel | +114 | -134 |
| MyBookie | +114 | -134 |
| Caesars | +115 | -135 |
| DraftKings | +114 | -137 |
| Fanatics | +115 | -140 |
| BetMGM | +115 | -140 |
| Fliff | +105 | -145 |
| Kalshi | +118 | -148 |
| Polymarket US | +125 | -150 |
Spread Line HistoryMiami Marlins +1.5 (-179) MyBookie·Arizona Diamondbacks -1.5 (+168) FanDuel
Total Line HistoryOver 8 (+100) LowVig·Under 8 (-103) MyBookie
About These Charts
Player Props
11 books priced this game. Prediction market prices include trading fees wherever a fee applies, so they are directly comparable to sportsbook lines.
On Miami Marlins vs Arizona Diamondbacks, the best available price is not the same at every book. One sportsbook might post a side at -110 while another has it at -102, and taking the better number is the one edge you fully control. The Odds Gap scans every major US sportsbook plus the federally regulated prediction markets and flags where the best price sits on each side of this MLB matchup.
How to read these Miami Marlins vs Arizona Diamondbacks odds
The cards above show the best moneyline price on each side and which book has it. The spread line shows Arizona Diamondbacks at the market's consensus number, priced at the best odds among books quoting it. The total shows the Over at the consensus number. For every book's price on every market, open the game in the Line Shop.
What the Price Gap Is Worth
Across the 11 books quoting this side, the best price is +125 at Polymarket US and the worst is +105 at Fliff. Same bet, same outcome, $20.00 difference in profit on a $100 stake. Nothing about the wager changes, only where you place it.
- Miami Marlins: best +125 (Polymarket US), worst +105 (Fliff)
- Arizona Diamondbacks: best -130 (BetOnline), worst -150 (Polymarket US)
Where This Line Opened
We capture the opening number once from the historical archive, so this is the price that was actually posted at BetOnline, not a reconstruction. Nobody had this game priced before it.
- Arizona Diamondbacks: BOL open -130, now -130
- Miami Marlins: BOL open +118, now +125 (7 cents longer)
The charts above plot every scan since, so you can see whether the move came in one step or drifted.
Miami Marlins vs Arizona Diamondbacks Odds: Common Questions
Who has the best odds on Miami Marlins vs Arizona Diamondbacks?
At the latest scan Polymarket US pays the most on Miami Marlins at +125, and BetOnline pays the most on Arizona Diamondbacks at -130. Those are two different books more often than not, and the best number moves as books reprice, so check the table on this page before you bet rather than assuming one book wins both sides.
How much does the price differ between sportsbooks on this game?
Right now 11 books price this side, and the spread between the best and worst of them is +125 at Polymarket US versus +105 at Fliff. On a $100 bet that is $20.00 more in your pocket for the same wager, won or lost the same way. That difference is the entire reason this page exists.
Where did the Miami Marlins vs Arizona Diamondbacks line open?
Arizona Diamondbacks opened -130 at BetOnline and is -130 now. We capture the opener once from the historical archive rather than inferring it, so the number on this page is the price that was actually posted, and the movement charts above plot every scan since.
What is the spread and total for Miami Marlins vs Arizona Diamondbacks?
The consensus spread is -1.5 on Arizona Diamondbacks with the best juice at +168 (FanDuel), and the consensus total is 8 with the best Over price at +100 (LowVig). Consensus means the line most books agree on; the flagged price is the best juice available at that same number.
How often do these MLB odds update?
The free board rescans every hour from 7am to 1am ET; Live Beta, free with an email signup during the beta, refreshes every minute. This page was last scanned September 13, 4:37 PM ET, and that timestamp is shown above the table.
Does The Odds Gap pick a side on Miami Marlins vs Arizona Diamondbacks?
No. There is no model, no projection, and no lean anywhere on this site. We show which book pays the most on a bet you have already decided to make. Math, not picks.
The Rest Of This MLB Slate
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