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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
Jason Gurwin has has spent the last 10 years in the technology, media, entertainment industries. For The Streamable, he specializes in all things media like streaming services, devices, and cord cutting.
Read full bio ›
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 STREAMFuboHuluPhiloSling TVYouTubeBally Sports+
Free TrialFree TrialFree TrialFree TrialGet $10 OffSign UpFree Trial
$79.99$91.99$76.99$25$40$40$72.99$19.99
Bally Sports Arizona--------
Fox Sports Arizona$29✓-----✓
Root Sports Northwest$29✓------

All Live TV Streaming Services

DIRECTV STREAM

Price: $108.99
Includes: Fox Sports Arizona and Root Sports Northwest + 35 Top Cable Channels

Fubo

Price: $91.99
Includes: Fox Sports Arizona and Root Sports Northwest + 25 Top Cable Channels

Bally Sports+

Price: $19.99
Includes: Fox Sports Arizona

Jason Gurwin
Jason Gurwin has has spent the last 10 years in the technology, media, entertainment industries. For The Streamable, he specializes in all things media like streaming services, devices, and cord cutting.
Read full bio ›
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DIRECTV STREAM Cash Back

Let us know your e-mail address to send your $50 Amazon Gift Card when you sign up for DIRECTV STREAM.

You will receive it ~2 weeks after you complete your first month of service.

Offer Terms

  • Only valid for new DIRECTV STREAM subscribers.
  • Only valid once per household.
  • You must pay and maintain service for at least one month to be eligible.
  • Purchase must be completed on the DIRECTV STREAM website.
  • You’ll receive gift card 4-6 weeks after purchase (~2 weeks after your first month).
  • Cannot be combined with any other promotion and won’t be eligible if you try to use a coupon code or cash back from another site.

Sling TV Cash Back

Let us know your e-mail address to send your $25 Uber Eats Gift Card when you sign up for Sling TV.

You will receive it ~2 weeks after you complete your first month of service.

Offer Terms

  • Only valid for new Sling TV subscribers to Sling Orange, Blue, or Sling Orange + Blue.
  • Only valid once per household.
  • You must pay and maintain service for at least one month to be eligible.
  • You must click from The Streamable and complete your purchase on the Sling TV website.
  • You’ll receive gift card 4-6 weeks after purchase (~2 weeks after your first month).
  • Cannot be combined with any other promotion and won’t be eligible if you try to use a coupon code or cash back from another site.

Hulu Live TV Cash Back

Let us know your e-mail address to send your $35 Amazon Gift Card when you sign up for Hulu Live TV.

You will receive it ~2 weeks after you complete your first month of service.

Offer Terms

  • Only valid for new Hulu Live TV subscribers.
  • Only valid once per household.
  • You must pay and maintain service for at least one month to be eligible.
  • You must click from The Streamable and complete your purchase on the Hulu Live TV website.
  • You’ll receive gift card 4-6 weeks after purchase (~2 weeks after your first month).
  • Cannot be combined with any other promotion and won’t be eligible if you try to use a coupon code or cash back from another site.