Royals vs Mariners Prediction and MLB Tips - 25 May 2026
Last updated: May 25, 2026, 6:10AM | Published: May 23, 2026, 6:41PM
The Kansas City Royals will sqaure off with the Seattle Mariners in MLB action at Kauffman Stadium on Monday, beginning at 4:10am AEST.
The Royals will send Seth Lugo (1-4, 3.68 ERA) to the mound, while the Mariners will counter with Bryan Woo (4-2, 3.51 ERA).
This article features Stats Insider's free betting tips for the Royals vs Mariners game, plus the latest betting odds in Australia.
Who Will Win?
Using trusted machine learning and data, Stats Insider has simulated the outcome of Monday's Kansas City vs Seattle MLB game 10,000 times.
Our leading predictive analytics model gives the Mariners a 53% chance of winning against the Royals at Kauffman Stadium.
Royals vs Mariners: Odds
The current betting odds in Australia for Monday's MLB game at Kauffman Stadium are listed below:
- Head to Head: Royals $2.05, Mariners $1.80
- Line: Royals +1.5 ($1.62), Mariners -1.5 ($2.35)
- Total (Over/Under 8.5 Runs): Over $1.91, Under $1.91
Odds are correct at the time of publication and subject to change.
Looking at the latest head-to-head odds, the bookmakers currently have the Royals at $2.05 and the Mariners at $1.80.
The Royals are listed as 1.5-run underdogs against the Mariners, with odds of $1.62 available at TAB.
For the favourite Mariners (-1.5) to cover the line, TAB offers odds of $2.35.
The over/under for total runs scored is set at 8.5 with TAB, which has odds of $1.91 for the over and $1.91 for the under.
According to Stats Insider's model, the Royals (+1.5) are predicted to cover the line 59% of the time, while the 8.5-run over/under is expected to go over 54% of the time.
Royals vs Mariners: Betting Tips
- Head to Head: Kansas City at $2.05 with TAB
- Line: Royals +1.5 at $1.62 with TAB
- Total Runs: Over 8.5 at $1.91 with TAB
Stats Insider's Royals vs Mariners predictions are based on detailed modelling and betting experience to help you place better bets with your chosen online bookie.
While the Mariners have a higher chance of winning the game, betting on the Royals to win is our preferred option due to the edge identified when comparing our data-driven probabilities to the odds currently on offer.
Taking advantage of the edges published on Stats Insider is crucial to being a profitable punter in the long run.
Royals vs Mariners: Prediction
Stats Insider provides full betting coverage of the Kansas City vs Seattle game on Monday, including data-driven predictions and live scorestips.
Our model updates frequently, so refresh this article for the latest betting tips before the Kansas City vs Seattle match-up.
As always, see our Best Bets to get betting tips for every MLB game, as well as predictions for a wide range of other sports.
Royals vs Mariners: Essential Details
The match-up between the Royals and Mariners at Kauffman Stadium is scheduled to commence at 4:10am AEST on Monday.
- Teams: Kansas City Royals vs Seattle Mariners
- Date: Monday 25 May 2026
- Time: 4:10am AEST
- Venue: Kauffman Stadium
All dates and times mentioned in this article are in Australian Eastern Standard Time (AEST), unless otherwise noted.
Conclusion
Our Kansas City vs Seattle predictions have been made thanks to 10,000 data-driven simulations of the game, all curated by our team of experienced data scientists and analysts. We use the latest in predictive analytics technology and machine learning to ensure our MLB tips are trustworthy and reliable, giving you the knowledge you need to make informed decisions with confidence.
If you decide to use our predictions for betting purposes, it's crucial to gamble responsibly and manage your finances effectively. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
More on MLB
Stats Insider is your home for betting on the MLB in Australia, with the latest MLB betting news, predictions for every MLB game, and futures probabilities for the MLB.

