Mets vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for May 8

Odds updated as of 5:13 a.m.

The MLB's Friday slate includes the New York Mets facing the Arizona Diamondbacks.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's everything you need to know.

Mets vs Diamondbacks Game Info

• New York Mets (14-23) vs. Arizona Diamondbacks (17-19)
• Date: Friday, May 8, 2026
• Time: 9:40 p.m. ET
• Venue: Chase Field -- Phoenix, Arizona
• Coverage: Dbacks.TV and WPIX

Mets vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: NYM: (-142) | ARI: (+120)
• Spread: NYM: -1.5 (+118) | ARI: +1.5 (-142)
• Total: 8.5 -- Over: (-110) | Under: (-110)

Mets vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Nolan McLean (Mets) - 1-2, 2.97 ERA vs Ryne Nelson (Diamondbacks) - 1-3, 6.61 ERA

The Mets will look to Nolan McLean (1-2) versus the Diamondbacks and Ryne Nelson (1-3). McLean and his team are 2-5-0 ATS this season when he starts. McLean's team has been victorious in 16.7% of the games he's started as the moneyline favorite with a record of 1-5. The Diamondbacks have a 3-4-0 ATS record in Nelson's seven starts with a set spread. The Diamondbacks are 2-5 in Nelson's seven starts this season that they were the moneyline underdog.

Mets vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mets win (57%)

Mets vs Diamondbacks Moneyline

• The moneyline numbers for Mets vs. Diamondbacks reveal New York as the favorite (-142) and Arizona as the underdog (+120) despite being the home team.

Mets vs Diamondbacks Spread

• The Diamondbacks are +1.5 on the spread (-142 to cover), and New York is +118 to cover the runline.

Mets vs Diamondbacks Over/Under

• A combined run total of 8.5 has been set for Mets-Diamondbacks on May 8, with the over at -110 and the under at -110.

Bet on New York Mets vs. Arizona Diamondbacks on FanDuel today!

Mets vs Diamondbacks Betting Trends

• The Mets have been victorious in 12, or 41.4%, of the 29 contests they have been chosen as favorites in this season.
• This season New York has been victorious six times in 20 chances when named as a favorite of at least -142 on the moneyline.
• The Mets and their opponents have gone over the total this season in 14 of their 37 opportunities.
• The Mets are 13-24-0 against the spread in their 37 games with a line set by sportsbooks this season.
• The Diamondbacks are 9-15 in games they were listed as the moneyline underdog (winning 37.5% of those games).
• Arizona has a 5-7 record (winning 41.7% of its games) when it has played as a moneyline underdog of +120 or longer.
• The Diamondbacks have combined with opponents to go over the total 20 times this season for a 20-14-2 record against the over/under.
• The Diamondbacks have covered 63.9% of their games this season, going 23-13-0 against the spread.

Mets Player Leaders

• Juan Soto is hitting .296 with four doubles, a triple, four home runs and 13 walks. He has an on-base percentage of .389 while slugging .519.
• Soto has hit safely in two games in a row. During his last five outings he is batting .150 with a triple, a home run, two walks and two RBIs.
• Bo Bichette has an OPS of .585, fueled by an OBP of .276 and a team-best slugging percentage of .309 this season. He's batting .237.
• He ranks 109th in batting average, 154th in on-base percentage and 160th in slugging among qualifying hitters.
• Marcus Semien is batting .227 with a .318 slugging percentage and 13 RBI this year.
• Carson Benge has been key for New York with 22 hits, an OBP of .276 plus a slugging percentage of .330.
• Benge takes a four-game hitting streak into this game. In his last five games he is hitting .417 with two doubles, a home run, three walks and four RBIs.

Diamondbacks Player Leaders

• Ildemaro Vargas has put up a team-high OBP (.381) and slugging percentage (.614), while pacing the Diamondbacks in hits (41, while batting .360).
• Including all qualified hitters in the big leagues, he is first in batting average, 26th in on-base percentage and seventh in slugging percentage.
• Corbin Carroll is batting .264 with seven doubles, four triples, five home runs and 18 walks. He's slugging .512 with an on-base percentage of .359.
• He is currently 63rd in batting average, 55th in on-base percentage and 27th in slugging percentage among all qualifying hitters.
• Geraldo Perdomo is batting .234 with five doubles, three triples, two home runs and 22 walks.
• Nolan Arenado is batting .272 with three doubles, five home runs and eight walks.

Mets vs Diamondbacks Head to Head

• 4/9/2026: 7-1 ARI (Favorite: Mets, Spread: -1.5, Total: 6.5, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 4/8/2026: 7-2 ARI (Favorite: Mets, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 4/7/2026: 4-3 NYM (Favorite: Mets, Spread: -1.5, Total: 7, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 5/7/2025: 7-1 NYM (Favorite: Mets, Spread: -1.5, Total: 9, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/6/2025: 5-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 5/5/2025: 5-4 NYM (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/1/2025: 4-2 ARI (Favorite: Mets, Spread: -1.5, Total: 8, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 4/30/2025: 4-3 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 4/29/2025: 8-3 NYM (Favorite: Mets, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/29/2024: 3-2 NYM (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -120, Underdog Moneyline: +102)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!