Mariners vs. Diamondbacks: Game 1 prediction, odds, injuries and picks

On Monday, the Seattle Mariners will take on the Arizona Diamondbacks in the first of a three-game series set to take place at Chase Field.

Seattle is second in the AL West with a 33-31 record, while Arizona has struggled with consistency, and is fourth in the NL West at 31-34.

Here's a look at the odds for this fixture, and how the action might play out on the field.

Mariners vs Diamondbacks prediction

Taking the mound for the Mariners is Emerson Hancock, who has a 2-2 record, along with a 5.19 ERA and 38 strikeouts.

Emerson Hancock in action against the Baltimore Orioles - Source: Getty

Offensively, Cal Raleigh, Julio Rodriguez, Jorge Polanco and J.P. Crawford have all enjoyed plenty of success for Seattle.

For the hosts, righty Merrill Kelly gets the nod. On paper, Kelly has fared better than his counterpart, boasting a 6-2 record, along with a 3.43 ERA and 72 strikeouts.

At the plate, Ketel Marte, Corbin Carroll, Geraldo Perdomo and Eugenio Suarez have been on top of their game for Arizona.

Heading into this game after being swept in Cincinnati, the hosts should be able to secure an important win in front of the Chase Field crowd.

Prediction: Arizona Diamondbacks 5, Seattle Mariners 4

Odds

Money line: Seattle Mariners +138, Arizona Diamondbacks -164

Run line: Mariners +1.5 (-143), Diamondbacks -1.5 (+108)

Total runs: Over 8.5 (-159), Under 8.5 (+120)

Injury report

Seattle injuries:

Luke Raley: 10-day IL (Side)

Logan Gilbert: 15-day IL (Forearm)

Collin Snider: 15-day IL (Forearm)

Gregory Santos: 60-day IL (Knee)

Ryan Bliss: 60-day IL (Bicep)

Victor Robles: 60-day IL (Shoulder)

Arizona injuries:

Cristian Mena: 15-day IL (Shoulder)

Blake Walston: 60-day IL (Elbow)

Corbin Burnes: 60-day IL (Elbow)

A.J. Puk: 60-day IL (Elbow)

Jordan Montgomery: 60-day IL (Elbow)

Expert's picks

With the pitching matchup leaning slightly in their favor, and playing at home, the Diamondbacks will navigate their way to a narrow win on Monday.

Money line: Arizona -164

Run line: Seattle +1.5 (-143)

Total runs: Over 8.5 (-159)

About the author

Raghav Mehta is a baseball journalist at Sportskeeda awaiting results for a Bachelor's in Journalism from Delhi University. He enjoys highlighting the key battles between players at different stages of the game and analyzing the decisive moments upon which they hinge.

One of Raghav's favorite moments, which underscores this, was the Shohei Ohtani vs. Mike Trout clash in the 2023 WBC, where two of baseball's best players faced off against each other in the 9th inning. With the score 3-2 to Japan, Shohei eventually got the strikeout, which was absolute cinema.

Raghav is a Baltimore Orioles fan and is enjoying watching such an exciting young team compete at the top in a very competitive division.

Raghav has loved watching sports for as long as he can remember and realized he was pretty decent at writing his thoughts down at around the age of 14. Combining the two meant he had something he would enjoy doing every day, and he had identified that well before going to college.

Aside from work, Raghav enjoys playing sports, working out and watching movies.

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Edited by Victor Ramon Galvez

Mariners vs. Diamondbacks: Game 1 prediction, odds, injuries and picks - June 9, 2025