Diamondbacks vs Royals Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 8

Odds updated as of 2:12 a.m.

The Tuesday schedule in MLB includes a matchup between the Arizona Diamondbacks and the Kansas City Royals.

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

Diamondbacks vs Royals Game Info

• Arizona Diamondbacks (77-68) vs. Kansas City Royals (64-81)
• Date: Tuesday, September 8, 2026
• Time: 7:40 p.m. ET
• Venue: Kauffman Stadium -- Kansas City, Missouri
• Coverage: Royals.TV and Dbacks.TV

Diamondbacks vs Royals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: ARI: (-120) | KC: (+102)
• Spread: ARI: -1.5 (+136) | KC: +1.5 (-164)
• Total: 9.5 -- Over: (-105) | Under: (-115)

Diamondbacks vs Royals Probable Starting Pitchers

Probable Pitchers: Corbin Burnes (Diamondbacks) - 0-0, 0.00 ERA vs Michael Wacha (Royals) - 9-8, 3.36 ERA

The Diamondbacks will give the nod to Corbin Burnes and the Royals will turn to Michael Wacha (9-8, 3.36 ERA). Burnes and his team were 4-7-0 ATS in his 11 appearances with a spread last season. Burnes and his team won as favorites in 60% of his 10 appearances last season with a moneyline. The Royals have gone 15-11-0 ATS in Wacha's 26 starts with a set spread. The Royals have been the underdog on the moneyline in 15 of Wacha's starts this season, and they went 4-11 in those matchups.

Diamondbacks vs Royals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Royals win (54%)

Diamondbacks vs Royals Moneyline

• Looking at the moneyline for Diamondbacks-Royals, Arizona is the favorite at -120, and Kansas City is +102 playing at home.

Diamondbacks vs Royals Spread

• The Diamondbacks are 1.5-run road favorites on the runline against the Royals. The Diamondbacks are +136 to cover, and the Royals are -164.

Diamondbacks vs Royals Over/Under

• The Diamondbacks-Royals contest on Sept. 8 has been given an over/under of 9.5 runs. The over is set at -105 and the under at -115.

Bet on Arizona Diamondbacks vs. Kansas City Royals on FanDuel today!

Diamondbacks vs Royals Betting Trends

• The Diamondbacks have been favorites in 58 games this season and have come away with the win 34 times (58.6%) in those contests.
• This season Arizona has come away with a win 23 times in 37 chances when named as a favorite of at least -120 on the moneyline.
• The Diamondbacks and their opponents have hit the over in 61 of their 144 games with a total set by oddsmakers this season.
• The Diamondbacks are 76-68-0 against the spread in their 144 games that had a posted line this season.
• The Royals are 36-54 in games they were listed as the moneyline underdog (winning 40% of those games).
• Kansas City is 26-43 (winning just 37.7% of its games) when playing as a moneyline underdog of +102 or longer.
• The Royals have played in 140 games with a set over/under, and have combined with opponents to go over the total 65 times (65-72-3).
• The Royals have gone 73-67-0 ATS this season.

Diamondbacks Player Leaders

• Corbin Carroll has an OPS of .800, fueled by an OBP of .334 and a team-best slugging percentage of .466 this season. He has a .240 batting average.
• Among qualified hitters in MLB, he ranks 101st in batting average, 66th in on-base percentage, and 36th in slugging.
• Geraldo Perdomo leads Arizona in slugging percentage (.365) thanks to 33 extra-base hits. He's batting .251 with an on-base percentage of .359.
• Among all qualifying hitters, he is 76th in batting average, 32nd in on-base percentage and 123rd in slugging percentage.
• Perdomo has picked up a hit in two games in a row. During his last five outings he is batting .286 with two walks and two RBIs.
• Ketel Marte has collected 123 base hits, an OBP of .317 and a slugging percentage of .446 this season.
• Marte has recorded a hit in six straight games. In his last 10 games he is hitting .303 with a double, two home runs, six walks and three RBIs.
• Gabriel Moreno leads the Diamondbacks in OBP (.379) and total hits (124) this season.
• Moreno enters this game on a four-game hitting streak. During his last five outings he is batting .316 with two doubles, a home run, two walks and three RBIs.

Royals Player Leaders

• Bobby Witt Jr. has accumulated an on-base percentage of .360 and a slugging percentage of .451. Both lead the Royals. He's batting .283.
• Including all the qualifying hitters in MLB, his batting average puts him 16th, his on-base percentage ranks 30th, and he is 46th in slugging.
• Jac Caglianone has collected 134 hits to lead his team. He has a batting average of .283 while slugging .494 with an on-base percentage of .331.
• Including all qualifying hitters, his batting average puts him 16th, his on-base percentage is 69th, and he is 16th in slugging.
• Carter Jensen is hitting .230 with 29 doubles, two triples, 22 home runs and 59 walks.
• Salvador Perez is batting .230 with 23 doubles, a triple, 19 home runs and 21 walks.

Diamondbacks vs Royals Head to Head

• 9/7/2026: 5-4 ARI (Favorite: Royals, Spread: -1.5, Total: 9.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 7/6/2025: 4-0 KC (Favorite: Diamondbacks, Spread: -1.5, Total: 10, Favorite Moneyline: -156, Underdog Moneyline: +132)
• 7/5/2025: 7-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 7/4/2025: 9-3 KC (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 7/24/2024: 8-6 ARI (Favorite: Royals, Spread: -1.5, Total: 9, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 7/23/2024: 6-2 ARI (Favorite: Royals, Spread: -1.5, Total: 9, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 7/22/2024: 10-4 KC (Favorite: Royals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -156, Underdog Moneyline: +132)
• 4/26/2023: 2-0 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -290, Underdog Moneyline: +235)
• 4/25/2023: 5-4 KC (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 4/24/2023: 5-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 10, Favorite Moneyline: -156, Underdog Moneyline: +132)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!