How to Watch Boston Red Sox vs. Seattle Mariners Live Online Without Cable on September 14, 2021: TV Channels/Streaming

On Tuesday, September 14, 2021 at 10:10 PM EDT, the Seattle Mariners face the Boston Red Sox. The game is airing exclusively on NESN and Root Sports Northwest, which you can stream with a Live TV Streaming Service.

Seattle Mariners vs. Boston Red Sox

• When: Tuesday, September 14, 2021 at 10:10 PM EDT
• TV: NESN and Root Sports Northwest
• Stream: Watch with 5-Day Free Trial of DIRECTV STREAM

In Seattle, the game is streaming on Root Sports Northwest, which is available with a subscription to DIRECTV STREAM. Since Hulu, YouTube TV, fuboTV, and Sling TV do not carry Root Sports Northwest, this is your only option to stream Seattle Mariners games all year long.

In Boston, the game is streaming on NESN, which is available with a 7-Day Free Trial of fuboTV. You can also stream it on DIRECTV STREAM to watch Boston Red Sox games all year long.

PITCHING PROBABLES: Red Sox: Nathan Eovaldi (10-8, 3.52 ERA, 1.14 WHIP, 171 strikeouts) Mariners: Tyler Anderson (6-9, 4.26 ERA, 1.19 WHIP, 120 strikeouts)

LINE: Mariners +119, Red Sox -138; over/under is 8 runs

BOTTOM LINE: Seattle and Boston will face off on Tuesday.

The Mariners are 42-31 on their home turf. The Seattle pitching staff averages 8.3 strikeouts per nine innings, Yusei Kikuchi leads them with a mark of 9.4.

The Red Sox are 37-36 on the road. Boston is slugging .446 as a unit. Kyle Schwarber leads the team with a slugging percentage of .543.

The Mariners won the last meeting 5-4. Diego Castillo earned his fourth victory and Mitch Haniger went 4-for-4 with a home run and three RBI for Seattle. Ryan Brasier registered his first loss for Boston.

All Live TV Streaming Services

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

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