MLB Prop Bets: Houston Astros vs Kansas City Royals (September 15, 2026)
The Kansas City Royals (66-84) face the Houston Astros (75-75) at Daikin Park on Tuesday at 8:10pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Michael Wacha is the probable pitcher for the Royals, while Hunter Brown is the probable pitcher for the Astros. The Astros are favored to win at -167, while the Royals are at +138. The total runs line is set at 8.0, with OVER at -105 and UNDER at -115.
- The Royals (-158) have a 75-75 Run Line record this season, while the Astros (+131) hold a record of 77-73.
- The Royals have a 66-78-6 O/U record this season (meaning 66 games have gone over the total runs line, 78 have gone under and six have resulted in a push). The Astros have a 74-67-9 O/U record.
Scoring Insights
- The Royals are averaging 4.2 runs per game this season (23rd in the league). Comparatively, the Astros are averaging 4.5 (16th).
- In the field, the Royals are allowing a whopping 4.9 runs per game this season (25th in the league), while the Astros are allowing an average of 4.8 runs (24th).
Let's take a look at how these teams perform in some other key statistical areas.
Batting Insights:
Batting Average
- Looking at their batting averages this season, the Royals are at .246 (ranking 13th in the Major leagues), while the Astros are batting .240 (21st).
Home Runs
- In terms of total home runs this season, the Astros have hit 197 (5th in the Major Leagues). Meanwhile, the Royals have managed 155 (T23rd).
Runs Batted In
- Finally, looking at their runs batted in, the Royals have recorded 604 RBIs to rank 24th in the MLB this season. Comparatively, the Astros have recorded 638 RBIs to rank 18th.
Pitching Insights:
Earned Run Average
- The Astros have an earned run average of 4.55 this season (24th in the Majors), while The Royals have an ERA of 4.63 (25th).
Strikeouts
- Turning our attention to total strikeouts, the Royals have recorded 1088 this season, ranking 28th in the MLB. Meanwhile, the Astros rank 10th for total strikeouts, recording 1305.
Opponent Batting Average
- Opponents are batting an average of .239 against the Astros this season (12th in the Major Leagues). Comparatively, the Royals' opponents are at .259 (28th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Royals | 34-36-80 | 19-19-37 | 15-17-43 | 10-14-29 | 24-22-51 | 0-0-0 | 2-2-6 |
| Astros | 40-37-73 | 23-14-38 | 17-23-35 | 18-14-32 | 22-23-41 | 0-0-0 | 3-1-6 |
Lead After Three Innings
The Royals are +120 to lead after three innings, while the Astros are -154.
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Royals | 48-66-36 | 29-30-16 | 19-36-20 | 15-25-13 | 33-41-23 | 0-0-0 | 3-3-4 |
| Astros | 54-59-37 | 32-27-16 | 22-32-21 | 24-27-13 | 30-32-24 | 0-0-0 | 6-2-2 |
NRFI/YRFI
The NRFI market is paying -115 and the YRFI is paying -110.
- The NRFI is 75-75 in Royals games this season. The Astros have a 69-81 NRFI record.
Last Time They Met
The Royals recorded a 4-0 victory over the Astros at Kauffman Stadium when these teams last met on June 14. Maikel Garcia went yard en route to that victory, hitting a home run to go with 3 RBIs. That result snapped the Astros' four-game winning streak against the Royals.
