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MLB TV Guide: How to Watch Arizona Diamondbacks vs. Seattle Mariners Live Online Without Cable on September 12, 2021: Streaming

Jason Gurwin

On Sunday, September 12, 2021 at 4:10 PM EDT, the Seattle Mariners face the Arizona Diamondbacks. The game is airing exclusively on Bally Sports Arizona, Fox Sports Arizona, and Root Sports Northwest, which you can stream with a Live TV Streaming Service.

Seattle Mariners vs. Arizona Diamondbacks

In Seattle, the game is streaming on Root Sports Northwest, while in Phoenix the game is streaming on Bally Sports Arizona, which was recently rebranded from Fox Sports Arizona. Both RSNs are available with a subscription to DIRECTV STREAM.

Since Hulu, YouTube TV, fuboTV, and Sling TV do not carry Root Sports Northwest or Bally Sports Arizona, this is your only option to stream Seattle Mariners and Arizona Diamondbacks games all year long.

PITCHING PROBABLES: Diamondbacks: Tyler Gilbert (1-2, 3.12 ERA, 1.10 WHIP, 23 strikeouts) Mariners: Yusei Kikuchi (7-8, 4.25 ERA, 1.26 WHIP, 149 strikeouts)

LINE: Mariners -187, Diamondbacks +160; over/under is 8 1/2 runs

BOTTOM LINE: The Arizona Diamondbacks travel to take on the Seattle Mariners on Sunday.

The Mariners are 41-30 in home games in 2020. Seattle is slugging .382 as a unit. Mitch Haniger leads the team with a .465 slugging percentage, including 53 extra-base hits and 31 home runs.

The Diamondbacks have gone 18-53 away from home. Arizona hitters have posted a team on-base percentage of .307 this season, led by Josh Rojas with a mark of .343.

The Diamondbacks won the last meeting 7-3. Humberto Castellanos earned his second victory and Daulton Varsho went 3-for-4 with a double, a home run and four RBI for Arizona. Chris Flexen registered his sixth loss for Seattle.

DTV STREAMfuboTVHuluPhiloSling TVYouTube
Sign UpFree TrialFree TrialFree TrialGet $25 OFFSign Up
$69.99$64.99$64.99$25$35$35$64.99
Bally Sports Arizona≥ $84.99------
Fox Sports Arizona≥ $84.99------
Root Sports Northwest≥ $84.99-----

All Live TV Streaming Options

DIRECTV STREAM

Price: $84.99
Includes: Bally Sports Arizona, Fox Sports Arizona, and Root Sports Northwest + 35 Top Cable Channels

fuboTV

Price: $64.99
Includes: Root Sports Northwest + 27 Top Cable Channels

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