Marlins vs Royals Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 3

Odds updated as of 2:12 a.m.

Thursday's slate in the MLB includes a matchup between the Miami Marlins and the Kansas City Royals.

We've got you covered, in terms of the most important info about this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Marlins vs Royals Game Info

• Miami Marlins (71-69) vs. Kansas City Royals (62-78)
• Date: Thursday, September 3, 2026
• Time: 7:40 p.m. ET
• Venue: Kauffman Stadium -- Kansas City, Missouri
• Coverage: Royals.TV and Marlins.TV

Marlins vs Royals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: MIA: (-116) | KC: (-102)
• Spread: MIA: -1.5 (+140) | KC: +1.5 (-170)
• Total: 9 -- Over: (-115) | Under: (-105)

Marlins vs Royals Probable Starting Pitchers

Probable Pitchers: Sandy Alcantara (Marlins) - 13-8, 3.46 ERA vs Michael Wacha (Royals) - 8-8, 3.32 ERA

The Marlins will look to Sandy Alcantara (13-8) against the Royals and Michael Wacha (8-8). Alcantara's team is 16-13-0 against the spread this season in his starts. Alcantara's team has won 66.7% of his starts when they are favored on the moneyline (10-5). When Wacha starts, the Royals are 14-11-0 against the 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.

Marlins vs Royals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (59.8%)

Marlins vs Royals Moneyline

• Looking at the moneyline for Marlins-Royals, Miami is the favorite at -116, and Kansas City is -102 playing at home.

Marlins vs Royals Spread

• The Marlins are at the Royals and are favored by 1.5 runs (+140 to cover) on the runline. Kansas City is -170 to cover.

Marlins vs Royals Over/Under

• The over/under for Marlins-Royals on Sept. 3 is 9. The over is -115, and the under is -105.

Bet on Miami Marlins vs. Kansas City Royals on FanDuel today!

Marlins vs Royals Betting Trends

• The Marlins have won in 38, or 63.3%, of the 60 contests they have been named as odds-on favorites in this year.
• Miami has a record of 31-17 when favored by -116 or more this year.
• The Marlins and their opponents have gone over the total this season in 67 of their 138 opportunities.
• The Marlins are 71-67-0 against the spread in their 138 games that had a posted line this season.
• The Royals have a 35-54 record in games they were listed as the moneyline underdog (winning 39.3% of those games).
• In games it has played as a moneyline underdog with odds of -102 or longer, Kansas City has a record of 30-49 (38%).
• The Royals have played in 135 games with a set over/under, and have combined with their opponents to go over the total 63 times (63-69-3).
• The Royals are 69-66-0 against the spread this season.

Marlins Player Leaders

• Otto Lopez has an OPS of .782, fueled by an OBP of .338 and a team-best slugging percentage of .443 this season. He has a .304 batting average.
• Among all qualified hitters in baseball, he is fifth in batting average, 57th in on-base percentage, and 51st in slugging.
• Lopez has recorded a base hit in nine games in a row. During his last 10 games he is batting .268 with a double, a triple, a home run, two walks and five RBIs.
• Javier Sanoja is batting .287 with 28 doubles, two triples, seven home runs and 22 walks, while slugging .429 with an on-base percentage of .326.
• Sanoja has picked up at least one hit in three straight games. In his last five games he is batting .400 with a home run, a walk and two RBIs.
• Jakob Marsee has collected 93 base hits, an OBP of .331 and a slugging percentage of .329 this season.
• Heriberto Hernandez has been key for Miami with 83 hits, an OBP of .317 plus a slugging percentage of .466.

Royals Player Leaders

• Bobby Witt Jr. has put up an on-base percentage of .360 and a slugging percentage of .449. Both lead the Royals. He's batting .285.
• Including all the qualified players in MLB, he is 17th in batting average, 29th in on-base percentage and 46th in slugging percentage.
• Jac Caglianone has racked up 131 hits to pace his team. He has a batting average of .282 while slugging .495 with an on-base percentage of .331.
• He is 20th in batting average, 71st in on-base percentage and 18th in slugging percentage in the big leagues.
• Carter Jensen is hitting .226 with 26 doubles, a triple, 21 home runs and 58 walks.
• Salvador Perez is batting .221 with 21 doubles, a triple, 18 home runs and 21 walks.

Marlins vs Royals Head to Head

• 9/2/2026: 9-6 MIA (Favorite: Royals, Spread: -1.5, Total: 9, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 9/1/2026: 6-3 MIA (Favorite: Royals, Spread: -1.5, Total: 9.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 7/20/2025: 7-4 KC (Favorite: Royals, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 7/19/2025: 3-1 MIA (Favorite: Royals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 7/18/2025: 8-7 MIA (Favorite: Royals, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 6/26/2024: 5-1 KC (Favorite: Royals, Spread: -1.5, Total: 9, Favorite Moneyline: -205, Underdog Moneyline: +172)
• 6/25/2024: 2-1 MIA (Favorite: Royals, Spread: -1.5, Total: 9.5, Favorite Moneyline: -198, Underdog Moneyline: +166)
• 6/24/2024: 4-1 KC (Favorite: Royals, Spread: -1.5, Total: 9.5, Favorite Moneyline: -255, Underdog Moneyline: +210)
• 6/7/2023: 6-1 MIA (Favorite: Marlins, Spread: -1.5, Total: 8, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 6/6/2023: 6-1 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -168, Underdog Moneyline: +142)

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