Mets vs Diamondbacks: Top Predictions and Betting Props for May 9

The New York Mets will face off against the Arizona Diamondbacks on May 9, 2026, at Chase Field in Phoenix, Arizona. This matchup is vital for both teams as they try to improve their standings early in the season.
Mets Looking to Build Momentum
After a narrow 3-1 victory over the Diamondbacks in their previous encounter, the Mets (14-23) enter this game with some confidence. Key contributions from players like Mark Vientos, who hit a crucial home run, lead the offense, despite an overall struggle at the plate.
Diamondbacks’ Recent Performance
The Diamondbacks (17-19) are aiming to regain form. They have shown resilience, especially at their home ground where they average 4.63 runs per game. However, they need to overcome their recent slump, winning only 20% of their last ten games.
Betting Predictions
- Moneyline Prediction: Mets Moneyline (-115)
- Over/Under Prediction: Over 9 Runs (-118)
With Clay Holmes (Mets) taking the mound, his impressive 1.69 ERA and solid performance make him a reliable choice. On the other hand, Merrill Kelly (Diamondbacks) struggles with a 9.95 ERA, which greatly impacts his team’s chances.
Player Prop Bets
- Juan Soto Over 1.5 Total Bases (-105): Soto has been effective, averaging 1.04 hits per game.
This matchup is crucial for betting enthusiasts as both teams showcase contrasting pitching performances. The Mets’ strong pitching exhibits a combined 3.91 ERA compared to the Diamondbacks’ struggles on the mound.
Team Stats
| Team | Runs Per Game | Batting Average | ERA |
|---|---|---|---|
| Mets | 3.60 (Away) | .227 | 3.91 |
| Diamondbacks | 4.63 (Home) | – | – |
Injury Report
Injuries are a key factor in this series. The Mets are missing several players, including Francisco Lindor and Luis Robert Jr., which complicates their lineup. For the Diamondbacks, the availability of Ketel Marte will be pivotal. His absence would place added pressure on Corbin Carroll and the remaining lineup.
With both teams desperate for a win, May 9 promises to be a compelling matchup as the Mets and Diamondbacks battle for crucial early-season positions.




