How to Watch Red Sox at Mariners (June 18): Stream MLB Live, TV Channel

The Seattle Mariners host the Boston Red Sox for this rubber match and final game of this season series on Wednesday.

The show must go on now that another superstar for the Boston Red Sox moved on out to the National League West. Boston will head into its final game of the season against the Seattle Mariners on Wednesday. This game will be the rubber match, as both teams have earned a shutout in this series. The Red Sox won 2-0 on Monday, and the Mariners returned the favor on Tuesday, winning 8-0. The Game 2 loss ended a six-game winning streak for Boston. Seattle has won four of its last five games.

How to Watch Boston Red Sox at Seattle Mariners Today:

Game Date: Wednesday, June 18, 2025

Game Time: 4:10 p.m. ET

TV: MLB Network, NESN

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The Mariners put Game 2 in cruise control after only the second inning in the win to tie the series. Seattle scored five runs in the second inning, which is more than Bryan Woo would need to improve to 6-4. Woo went seven scoreless innings while only giving up one run. Boston had just two hits all night. That second inning was highlighted by Cal Raleigh’s grand slam for his Major League leading 27th home run. If that wasn’t enough, Raleigh drove in six of Seattle’s eight runs, which ties a career-high.

The Mariners will try to keep it rolling by starting Luis Castillo, who is 4-4 with a 3.29 ERA. The Red Sox will try to bounce back by starting Garrett Crochet, who is 6-4 with a 2.24 ERA.

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