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Tuesday’s contest between the Kansas City Royals (75-75) and Seattle Mariners (82-68) matching up at Kauffman Stadium has a projected final score of 5-4 (according to our computer prediction) in favor of the Royals, so expect a tight matchup. The game will start at 7:40 p.m. ET on Sept. 16.
How to Watch Mariners vs. Royals
- Game day: Tuesday, September 16, 2025
- Game time: 7:40 p.m. ET
- TV channel: FDSKC and ROOT Sports NW
- Location: Kansas City, Missouri
- Stadium: Kauffman Stadium
- Live Stream: Watch this game on Fubo (Regional restrictions may apply)
Catch MLB action all year long on Fubo.
Mariners vs. Royals Prediction
- Score Prediction: Royals 5, Mariners 4
- Total Prediction: Under 8.5 runs
Mariners and Royals Betting Trends
- The Mariners have been the moneyline favorite 101 total times this season. They’ve finished 58-43 in those games.
- Seattle has a record of 42-25 when it has played as moneyline favorites with odds of -135 or shorter (62.7% winning percentage).
- The Mariners have an implied moneyline win probability of 57.4% in this game.
- The Royals have been underdogs in 81 games this season and won 36 (44.4%) of those contests.
- Kansas City is 19-22 this season when entering a game as the underdog by +115 or more on the moneyline.
- Oddsmakers have implied with the moneyline set for this matchup that the Royals have a 46.5% chance to win.
Mariners’ Probable Pitcher: Logan Gilbert
- 2025 Stats: 4-6 with a 3.54 ERA in 22 appearances
- The right-hander last pitched on Thursday, when he gave up one earned run and allowed five hits in 4 2/3 innings against the St. Louis Cardinals.
- He has started 22 games this season, earning a quality start (6 or more IP, 3 or fewer ER) in seven of them.
- Logan Gilbert has 17 starts of five or more innings this season in 22 chances. He averages 5.2 innings per outing.
- He has made 22 appearances and finished three of them without allowing an earned run.
Royals’ Probable Pitcher: Michael Wacha
- 2025 Stats: 9-11 with a 3.45 ERA in 28 appearances
- The righty last appeared on Friday, Sept. 5 against the Minnesota Twins, when he tossed 5 2/3 innings, allowing one earned run while giving up four hits.
- Michael Wacha has 12 quality starts under his belt this year.
- Wacha has pitched five or more innings in a game 25 times this season entering this game.
- In three of his 28 total appearances this season he has not given up an earned run.
Mariners’ Top Performers
| Name | GP | AVG | OBP | SLG | HR% | K% | BB% |
|---|---|---|---|---|---|---|---|
| Cal Raleigh | 147 | .244 | .359 | .577 | 8.3% | 26.2% | 14.1% |
| Julio Rodríguez | 149 | .269 | .321 | .478 | 4.5% | 21.7% | 5.6% |
| Josh Naylor | 136 | .284 | .344 | .450 | 3.4% | 14.2% | 8.1% |
| Eugenio Suárez | 147 | .226 | .300 | .522 | 7.4% | 29.2% | 7.2% |
| Randy Arozarena | 148 | .243 | .341 | .443 | 4.1% | 26.3% | 9.2% |
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Royals’ Top Performers
| Name | GP | AVG | OBP | SLG | HR% | K% | BB% |
|---|---|---|---|---|---|---|---|
| Bobby Witt Jr. | 145 | .292 | .350 | .501 | 3.5% | 19% | 7.6% |
| Maikel Garcia | 146 | .293 | .357 | .464 | 2.6% | 12.4% | 9.1% |
| Vinnie Pasquantino | 148 | .265 | .324 | .474 | 4.8% | 15.8% | 7.2% |
| Salvador Pérez | 143 | .237 | .278 | .450 | 4.8% | 19.5% | 3.9% |
| Mike Yastrzemski | 134 | .232 | .328 | .395 | 2.9% | 20.2% | 12.5% |
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