Kansas City Royals vs Seattle Mariners MLB Betting Prediction

MLB Kansas City Royals vs Seattle Mariners Prediction 7/3

On Thursday, July 3, 2025, the Kansas City Royals will play against the Seattle Mariners at T-Mobile Park in Seattle, WA. The game is set to start at 10:10 PM and will be broadcast on FDSKC. Fans can expect mild weather with broken clouds, but the retractable roof may minimize any wind impact.

Royals vs. Mariners Betting Prediction

  • Money Line Prediction: Seattle Mariners -155. The Mariners have a better home record at 22-20 and a solid pitching performance from Bryan Woo, making them the safer pick.
  • Over/Under Prediction: Under 7.0 (+100). Both starting pitchers have ERAs under 3.00, suggesting a low-scoring game.

Team Trends

  • The Kansas City Royals have an away record of 20-23 this season.
  • The Seattle Mariners have a home record of 22-20 this season.
  • In their most recent game on July 2, 2025, the Mariners won 3-2 against the Royals.
  • The Mariners’ Randy Arozarena hit a home run in the July 2, 2025, game against the Royals.
  • The Royals’ Bobby Witt Jr. had a strong performance with 2 hits in the July 2, 2025, game.

Royals vs Mariners Preview

On Thursday night, the Kansas City Royals will travel to Seattle to take on the Mariners at T-Mobile Park. The game starts at 10:10 PM and will air on FDSKC. With a retractable roof, the mild weather with broken clouds should not affect the game.

Seth Lugo will start for the Royals. He has a 2.74 ERA and a WHIP of 1.08. Bryan Woo will pitch for the Mariners. He carries a 2.93 ERA and a WHIP of 0.97. Both pitchers have shown solid performances this season, making this an interesting matchup on the mound.

Mariners’ Home Run Power and Pitching Strength

The Seattle Mariners have some strong hitters this season. Cal Raleigh stands out with 33 home runs, leading both the team and the league. He also has 71 RBIs, which is second in the league. J.P. Crawford is another key player for the Mariners. He has a batting average of .283, which is the highest on the team. Crawford has also scored 38 runs, ranking second on the team. Bryan Woo is the starting pitcher for the Mariners in this game. He has an ERA of 2.93 and a WHIP of 0.97. Woo’s record is 7-4, showing he has been a reliable pitcher this season.

Kansas City Royals: Key Players and Pitching Performance

Bobby Witt Jr. is a standout player for the Kansas City Royals. He has a batting average of .290, which is solid. Witt also leads the team with 50 runs. Maikel Garcia adds depth to the Royals’ lineup. His batting average is .305, the highest on the team. Garcia has also hit 8 home runs this season. Seth Lugo is the starting pitcher for the Royals in this game. His ERA is 2.74, which ranks well. Lugo’s WHIP is 1.08, showing his ability to control the game.

Final Betting Pick

The Seattle Mariners are a strong pick on the money line at -155. Their home record of 22-20 shows they play well at T-Mobile Park. Bryan Woo’s solid pitching with a 2.93 ERA and 0.97 WHIP adds confidence to this choice. The Mariners’ recent win over the Royals, 3-2, further supports their ability to win close games.

For the over/under prediction, under 7.0 runs at +100 is a good option. Both starting pitchers, Bryan Woo and Seth Lugo, have ERAs under 3.00. This suggests a likely low-scoring game. The Mariners’ recent games have been low-scoring, with only 3-2 and 6-2 outcomes against the Royals. This trend indicates another game with limited runs.


All odds are courtesy of Action247 Sportsbook. Good luck!!


* All odds are provided by Action247 Sportsbook and all odds subject to change. **All views expressed are my own. My picks are my own and are not a guarantee, bet at your own risk. Action247 does not warrant the accuracy of completeness of the information, text, graphics, links or other items contained within these post.