Astros vs Royals Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 15

Odds updated as of 7:13 p.m.

On Tuesday in MLB, the Houston Astros are playing the Kansas City Royals.

All the info you need to make smart wagers on this matchup at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Astros vs Royals Game Info

• Houston Astros (75-75) vs. Kansas City Royals (66-84)
• Date: Tuesday, September 15, 2026
• Time: 8:10 p.m. ET
• Venue: Daikin Park -- Houston, Texas
• Coverage: SCHN and Royals.TV

Astros vs Royals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: HOU: (-162) | KC: (+136)
• Spread: HOU: -1.5 (+132) | KC: +1.5 (-160)
• Total: 7.5 -- Over: (-128) | Under: (+104)

Astros vs Royals Probable Starting Pitchers

Probable Pitchers: Hunter Brown (Astros) - 5-3, 3.52 ERA vs Michael Wacha (Royals) - 9-8, 3.25 ERA

The probable starters are Hunter Brown (5-3) for the Astros and Michael Wacha (9-8) for the Royals. Brown and his team have a record of 8-9-0 against the spread when he starts. Brown's team is 7-7 this season when he starts and they are the moneyline favorite. The Royals have gone 15-12-0 ATS in Wacha's 27 starts with a set spread. The Royals are 4-11 in Wacha's 15 starts this season that they were the moneyline underdog.

Astros vs Royals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Astros win (57.8%)

Astros vs Royals Moneyline

• Looking at the moneyline for Royals-Astros, Kansas City is the underdog at +136, and Houston is -162 playing at home.

Astros vs Royals Spread

• The Astros are hosting the Royals and are favored by 1.5 runs (+132 to cover) on the runline. Kansas City is -160 to cover.

Astros vs Royals Over/Under

• A combined run total of 7.5 has been set for Astros-Royals on Sept. 15, with the over at -128 and the under at +104.

Bet on Houston Astros vs. Kansas City Royals on FanDuel today!

Astros vs Royals Betting Trends

• The Astros have won in 33, or 52.4%, of the 63 contests they have been named as odds-on favorites in this year.
• This season Houston has come away with a win six times in 15 chances when named as a favorite of at least -162 on the moneyline.
• The Astros and their opponents have hit the over in 75 of their 150 games with a total set by oddsmakers this season.
• The Astros are 75-75-0 against the spread in their 150 games that had a posted line this season.
• The Royals have won 37 of the 92 games they were listed as the moneyline underdog this season (40.2%).
• In games it has played as a moneyline underdog with odds of +136 or longer, Kansas City has a record of 7-15 (31.8%).
• The Royals have combined with opponents to go over the total 65 times this season for a 65-75-3 record against the over/under.
• The Royals have covered 51.7% of their games this season, going 74-69-0 against the spread.

Astros Player Leaders

• Yordan Alvarez leads Houston with 162 hits and an OBP of .427, plus a team-best slugging percentage of .589. He's batting .310.
• Among qualified hitters in the majors, he is second in batting average, first in on-base percentage, and first in slugging.
• Isaac Paredes is batting .260 with 26 doubles, a triple, 21 home runs and 64 walks. He's slugging .435 with an on-base percentage of .359.
• Among qualifying hitters, his batting average places him 64th, his on-base percentage 32nd, and his slugging percentage 60th.
• Paredes enters this game looking to extend his six-game hit streak. In his last 10 outings he is batting .306 with three doubles, three home runs, four walks and 11 RBIs.
• Christian Walker has 119 hits this season and has a slash line of .225/.299/.417.
• Jose Altuve is batting .245 with a .306 OBP and 44 RBI for Houston this season.

Royals Player Leaders

• Bobby Witt Jr. has racked up an on-base percentage of .360 and a slugging percentage of .448. Both lead the Royals. He's batting .280.
• Including all qualifying players in the big leagues, he ranks 25th in batting average, 31st in on-base percentage and 47th in slugging percentage.
• Jac Caglianone's 134 hits pace his team. He has a batting average of .281 while slugging .491 with an on-base percentage of .331.
• He is currently 22nd in batting average, 66th in on-base percentage and 20th in slugging percentage among all qualified hitters.
• Carter Jensen is hitting .232 with 31 doubles, two triples, 24 home runs and 62 walks.
• Salvador Perez is batting .229 with 23 doubles, a triple, 19 home runs and 23 walks.

Astros vs Royals Head to Head

• 6/14/2026: 4-0 KC (Favorite: Royals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -118, Underdog Moneyline: +100)
• 6/13/2026: 8-7 HOU (Favorite: Royals, Spread: -1.5, Total: 9.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 6/12/2026: 10-8 HOU (Favorite: Astros, Spread: -1.5, Total: 9.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 5/14/2025: 4-3 HOU (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 5/13/2025: 2-1 HOU (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 5/12/2025: 7-5 KC (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 4/27/2025: 7-3 HOU (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 4/26/2025: 2-0 KC (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 4/25/2025: 2-0 KC (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 9/1/2024: 7-2 HOU (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -158, Underdog Moneyline: +134)

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