It's Thursday, July 3 and the Royals (40-47) are in Seattle to take on the Mariners (45-41). Seth Lugo is slated to take the mound for Kansas City against Bryan Woo for Seattle.
Seattle took game 3 of the series, 3-2, to go up 2-1 over Kansas City with the final meeting on deck. The Royals are in a slump right now with a 2-9 record over the past 11 games compared to the 3-1 record for the Mariners in the last four and 7-4 mark in the previous 11.
Let's dive into the matchup and find a sweat or two. We’ve got all the info and analysis you need to know ahead of the game, including the latest info on how to catch first pitch, odds, recent team performance, player stats, and of course, our predictions, picks & best bets for the game from our modeling tools and staff of experts.
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Game details & how to watch Royals at Mariners
- Date: Thursday, July 3, 2025
- Time: 10:10PM EST
- Site: T-Mobile Park
- City: Seattle, WA
- Network/Streaming: FDSNKC, RSNW
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Odds for the Royals at the Mariners
The latest odds as of Thursday:
- Moneyline: Royals (+130), Mariners (-156)
- Spread: Mariners -1.5
- Total: 7.0 runs
Probable starting pitchers for Royals at Mariners
- Pitching matchup for July 3, 2025: Seth Lugo vs. Bryan Woo
- Royals: Seth Lugo, (5-5, 2.74 ERA)
Last outing: 5.2 Innings Pitched, 0 Earned Runs Allowed, 4 Hits Allowed, 5 Walks, and 8 Strikeouts - Mariners: Bryan Woo, (7-4, 2.93 ERA)
Last outing: 6.0 Innings Pitched, 0 Earned Runs Allowed, 5 Hits Allowed, 2 Walks, and 9 Strikeouts
- Royals: Seth Lugo, (5-5, 2.74 ERA)
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Expert picks & predictions for tonight’s game between the Royals and the Mariners
Rotoworld Best Bet
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Our model calculates projections around each moneyline, spread and over/under bet for every game on the MLB calendar based on data points like past performance, player matchups, ballpark information and weather forecasts.
Once the model is finished running, we put its projection next to the latest betting lines for the game to arrive at a relative confidence level for each wager.
Here are the best bets our model is projecting for Thursday’s game between the Royals and the Mariners:
- Moneyline: NBC Sports Bet is recommending a play on the Seattle Mariners on the Moneyline.
- Spread: NBC Sports Bet is leaning towards a play ATS on the Kansas City Royals at +1.5.
- Total: NBC Sports Bet is recommending a play on the over on the Game Total of 7.0.
Want even more MLB best bets and predictions from our expert staff & tools? Check out the Expert MLB Predictions page from NBC.
Top betting trends & insights to know ahead of Royals at Mariners
- The Royals have lost 8 of their last 10 games
- The Under is 37-22-1 in the Royals' matchups against American League teams this season
- Kansas City is 2-9 in the last 11 games, while Seattle is 7-4 in the past 11
- The Mariners are 9-7 when Woo pitches this season
- The Royals are 7-8 when Lugo pitches this season
If you’re looking for more key trends and stats around the spread, moneyline and total for every single game on the schedule today, check out our MLB Top Trends tool on NBC Sports!
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