Baltimore Orioles vs Seattle Mariners – MLB Preview – Jun 18, 2026

The Baltimore Orioles will play against the Seattle Mariners in an MLB regular season game. The game is at T-Mobile Park in Seattle, with the first pitch scheduled for 4:10 PM. The Orioles come into this game with a record of 35-40, while the Mariners hold a 38-37 record.
Shane Baz is set to pitch for the Orioles, bringing a 4-6 record with a 4.06 ERA. On the other side, Bryan Woo will start for the Mariners, posting a 5-5 record and a 4.28 ERA. Both teams have gone 4-6 in their last 10 games, making this an important matchup for each side. The game will be broadcast on MASN, and the weather forecast predicts a mild day with clear skies.
Baltimore Orioles Team Preview
The Baltimore Orioles have shown mixed results in their recent games. They achieved a win against the Seattle Mariners on June 17th with a 5-3 score. In that game, Kyle Bradish pitched well, delivering 12 strikeouts over 7 2/3 innings.
In the last five games, the Orioles secured two wins. Their offense has been somewhat inconsistent, with a batting average of .242 for the season. The team ranks 13th in batting average and 9th in on-base percentage.
Shane Baz is set to start for the Orioles in the upcoming game. Baz has a 4-6 record this season with a 4.06 ERA. He will aim to lead the Orioles to another victory with strong pitching.
Seattle Mariners Team Preview
The Seattle Mariners recently played a series of games at home and away. Their latest home game was a loss to the Baltimore Orioles with a score of 5-3. In this game, they had 7 hits, including 2 home runs by Dominic Canzone and Cole Young.
In another recent home game against the Orioles, the Mariners won 3-1. Logan Gilbert pitched 7 innings, allowing only 1 earned run. The team’s offense included 6 hits, but none were for extra bases.
Seattle’s batting average is .236, which ranks 18th in the league. They have hit 96 home runs, placing them 7th overall. On the pitching side, the Mariners have a 3.67 ERA, ranked 5th, and their starters have recorded 33 quality starts.
Betting Prediction
The Mariners have a strong pitching advantage. Their earned run average is 3.67, ranking 5th in the league. The Orioles have a 4.57 ERA, which is 23rd. This gap in pitching strength favors the Mariners at home.
Both teams have similar batting stats, but the Mariners’ pitching can make the difference. The Mariners allow a batting average against of .241. This is better than the Orioles’ .259. It suggests the Mariners’ pitchers can limit the Orioles’ scoring chances.
The Mariners have also given up fewer home runs this season. They have allowed 74 home runs, ranking 4th. The Orioles have allowed 88, which is 14th. This makes the Mariners a safer pick.
- Pick: Mariners -153




