How to Watch Mariners at Diamondbacks (June 9): Stream MLB Live, TV Channel

Emerson Hancock and the Seattle Mariners will open up a three-game series against Merrill Kelly and the Arizona Diamondbacks on Monday night.

The Seattle Mariners will head on the road early this week, opening up a three-game series on Monday night against the Arizona Diamondbacks at Chase Field. The Mariners head into this series with a 33-31 record and the No. 2 spot in the American League West. They are 2.5 games behind the divisional-leading Houston Astros. They haven’t helped themselves recently, losing five of their last six games over two series. They were swept at home by the Baltimore Orioles and lost two of three games against the Los Angeles Angels.

How to Watch Seattle Mariners at Arizona Diamondbacks Today:

Game Date: Monday, June 9, 2025

Game Time: 9:40 p.m. ET

TV: FOX Sports 1

Live stream Seattle Mariners at Arizona Diamondbacks on Fubo: Start your Free Trial Today!

The Diamondbacks were on a high going into the weekend, sweeping the Atlanta Braves a week ago. However, they were then swept by the Cincinnati Reds over the weekend. Now at 31-34 on the season, they are the No. 4 team in the National League West, 6.5 games behind the San Diego Padres and San Francisco Giants and 7.5 games behind the divisional-leading Los Angeles Dodgers.

Emerson Hancock will start this game for Seattle. The right-hander is looking for his third win of the season, going into this start at 2-2. Hancock has a 5.19 ERA and 38 strikeouts over 50.1 innings. His last start last week ended in a 3-2 loss to the Orioles. He went 5.2 innings, giving up one earned run on two hits with six strikeouts.

Arizona will open up this three-game series in the first game with Merrill Kelly on the mound. The right-hander is 6-2 in his 2025 campaign with a 3.43 ERA and 72 strikeouts over 76 innings. Kelly threw a scoreless seven innings against the Atlanta Braves in his last start. In the 2-1 win, he allowed just one hit with eight strikeouts.

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