The Arizona Diamondbacks host the Miami Marlins on June 29, 2025. First pitch from Chase Field is scheduled for 4:10 p.m. EDT; the game will be broadcast on ARID.
Find my MLB betting preview and Marlins vs Diamondbacks prediction below, as well as probable pitchers, betting trends, injury reports, and more.
My Marlins vs Diamondbacks Prediction
- Marlins vs Diamondbacks picks: Under 9
My Marlins vs Diamondbacks best bet is Under 9. Make sure to find the best odds by checking our live MLB odds page.
Marlins vs Diamondbacks Odds, Spread, Best Bet
| Marlins Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 -127 | 9 -119o / -102u | +162 |
| Diamondbacks Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 +104 | 9 -119o / -102u | -199 |
Marlins vs Diamondbacks Run Line: Marlins +1.5 (-127); Diamondbacks -1.5 (+104)
Marlins vs Diamondbacks Totals: 9 (O -119/ U -102)
Marlins vs Diamondbacks Moneyline: Marlins +162; Diamondbacks -199
Marlins vs Diamond Backs Best Bet: Under 9
Marlins vs Diamondbacks Projected Starting Pitchers
| Cal Quantrill (MIA) | Stat | Eduardo Rodriguez (ARI) |
|---|---|---|
| 3-7 | W-L | 3-4 |
| 0.5 | fWAR (FanGraphs) | 0.9 |
| 5.56/5.63 | ERA /xERA | 5.40/3.72 |
| 4.61/4.62 | FIP / xFIP | 4.10/3.87 |
| 1.46 | WHIP | 1.58 |
| 10.3 | K-BB% | 16.4 |
| 34.7 | GB% | 36.6 |
| 88 | Stuff+ | 91 |
| 101 | Location+ | 101 |
Marlins vs Diamondbacks Prediction, Betting Analysis
This MLB betting system targets unders in Game 3 or Game 4 of regular-season series where the home team starts a pitcher with a soft-contact approach, typically characterized by low strikeout rates and a moderate WHIP. By the back half of a series, hitters have faced multiple arms and benefit from refined scouting, but scoring often stays low when neither starter brings overpowering velocity.
The system filters out games with strong directional winds, focusing on neutral weather conditions that help suppress run production. These late-series matchups frequently involve home teams grinding through the season with average records, steady but unspectacular.
As a result, the market may undervalue the potential for low-scoring outcomes. This strategy consistently identifies under-the-radar value in slower-paced games where conditions favor pitchers and offensive outbursts are less likely.
Pick: Under 9
Moneyline
There is no play on the moneyline.
Run Line (Spread)
There is no value on the run line.
Over/Under
Take the under in today's series finale.
