Colorado Rockies vs Seattle Mariners MLB Betting Prediction
PublishedSeptember 25, 2025,            Posted By: Maria Uebelhor
Last updated:September 25, 2025 ,

MLB Colorado Rockies vs Seattle Mariners Prediction 9/25

The Colorado Rockies will take on the Seattle Mariners on Thursday, September 25, 2025, at T-Mobile Park. The game is set to start at 9:40 PM under the retractable roof, with weather conditions described as ‘Broken Clouds’. The Rockies have a record of 43-115, while the Mariners stand at 89-69, leading their division. Tune in to RSNW to catch all the action.

Rockies vs. Mariners Betting Prediction

  • Money Line Prediction: Seattle Mariners -212. The Mariners have a strong home record of 50-27 and are on a six-game winning streak. The Rockies have struggled on the road, with an 18-59 record.
  • Over/Under Prediction: Over 8.0 (-110). The Mariners have scored 13 runs in their last two games against the Rockies, and the Rockies’ starting pitcher, Bradley Blalock, has an ERA of 9.16.

Team Trends

  • The Seattle Mariners have a strong home record of 50-27 this season.
  • The Colorado Rockies have struggled on the road, with a record of 18-59.
  • The Mariners are on a 6-game winning streak, with a 9-1 record in their last 10 games.
  • The Rockies are on a 2-game losing streak and have won only 2 of their last 10 games.
  • The Mariners recently defeated the Rockies 9-2, with Luis Castillo pitching 7 1/3 innings and striking out 10 batters.

Rockies vs Mariners Preview

The Colorado Rockies are gearing up to play against the Seattle Mariners at T-Mobile Park. The Rockies have had a tough season, sitting at the bottom of their division with a record of 43-115. They have struggled in recent games, losing their last two and only winning two of their last ten. Bradley Blalock will be the starting pitcher for the Rockies, bringing an ERA of 9.16 and a WHIP of 1.82 to the mound.

On the other side, the Mariners are having a strong season, leading their division with an 89-69 record. They are on a hot streak, winning their last six games and nine out of their last ten. The starting pitcher for the Mariners is yet to be announced. The game will be played under the retractable roof at T-Mobile Park, with ‘Broken Clouds’ in the forecast. Fans can catch the game live on RSNW at 9:40 PM.

Seattle Mariners: Power at the Plate

The Seattle Mariners have some strong hitters this season. Cal Raleigh leads with 60 home runs, ranking first in the league. Eugenio Suárez is also a key player with 48 home runs. Josh Naylor has a batting average of .292, the highest on the team. J.P. Crawford and Jorge Polanco both have a batting average of .266. Their consistency adds depth to the lineup. The Mariners are second in the league with 236 home runs this season. They have a slugging percentage of .423, ranking ninth. Their ability to hit home runs makes them a tough team to beat.

Colorado Rockies: Challenges on the Road

The Colorado Rockies have struggled with their batting this season. Their team batting average is .238, ranking 15th in the league. Hunter Goodman stands out with a .277 average and 30 home runs, leading the team in both categories. Pitching has been a challenge for the Rockies. Bradley Blalock, the starting pitcher, has an ERA of 9.16. The team ranks 29th in ERA, at 6.01, which could be a problem against strong hitters like the Mariners. The Rockies have some power hitters, but they have fewer home runs than the Mariners. They have hit 156 home runs this season, placing them 18th in the league. Michael Toglia and Ezequiel Tovar contribute to their home run count with 11 and 8, respectively.

Final Betting Pick

The Seattle Mariners are a strong pick for the money line at -212. They have a solid home record of 50-27 and are on a six-game winning streak. The Rockies have struggled on the road with an 18-59 record, making it tough for them to compete at T-Mobile Park.

The over 8.0 runs at -110 is also a good bet. The Mariners have scored 13 runs in their last two games against the Rockies. With Rockies’ pitcher Bradley Blalock holding an ERA of 9.16, the Mariners’ offense might have another productive game.

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.