How to Watch Mariners vs. Astros: TV Channel & Live Stream - September 21

Updated Sep. 21, 2025 3:22 p.m. ET

FOX Sports

The Seattle Mariners and Houston Astros will play on Sunday at Daikin Park, at 7:10 p.m. ET, with Cal Raleigh and Jeremy Pena among those expected to step up at the plate.

Check out everything you need to know to watch the Mariners vs. Astros game.

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Mariners vs. Astros Game Information & How to Watch

Date	Favorite	Spread	Total	Favorite Moneyline	Underdog Moneyline	Result
9/20/2025	Astros	-1.5	7.5	-110	-109	6-4 SEA
9/19/2025	Astros	-1.5	7.5	-111	-109	4-0 SEA
7/20/2025	Mariners	-1.5	6.5	-147	+122	11-3 HOU
7/19/2025	Mariners	-1.5	8	-134	+113	7-6 SEA
7/18/2025	Mariners	-1.5	7	-149	+125	6-1 SEA
5/25/2025	Mariners	-1.5	8.5	-145	+122	5-3 HOU
5/24/2025	Mariners	-1.5	7	-111	-108	2-1 HOU
5/23/2025	Astros	-1.5	8.5	-120	+100	5-3 SEA
5/22/2025	Mariners	-1.5	8	-131	+111	9-2 HOU
4/9/2025	Astros	-1.5	7.5	-144	+121	7-6 SEA

Raleigh has gone yard 57 times in the 2025 campaign while knocking in 119 runs, both totals that lead the Mariners.
Including all MLB hitters, Raleigh is 96th in batting average, 19th in on-base percentage, and third in slugging.
Julio Rodriguez has 31 doubles, four triples, 31 home runs and 39 walks while batting .269.
Rodriguez ranks 15th in home runs and 19th in RBI among all hitters in the majors.
Rodriguez enters this game looking for his third game in a row with a hit. In his last five games he is hitting .250 with a double, a home run, two walks and three RBIs.
Josh Naylor has racked up a team-high batting average of .289.
Naylor will look to build on his seven-game hitting in this matchup. During his last 10 outings he is batting .366 with a double, two home runs, three walks and nine RBIs.
Eugenio Suarez is hitting .230 with 28 doubles, 47 home runs and 45 walks.
Suarez is riding a two-game hitting streak into this one. During his last five outings he is batting .350 with three doubles, two home runs, a walk and four RBIs.

Date	Opponent	Score	Pitching Matchup
Sept. 16	@ Royals	W 12-5	Logan Gilbert vs Michael Wacha
Sept. 17	@ Royals	L 7-5	Bryce Miller vs Cole Ragans
Sept. 18	@ Royals	W 2-0	Luis Castillo vs Stephen Kolek
Sept. 19	@ Astros	W 4-0	Bryan Woo vs Hunter Brown
Sept. 20	@ Astros	W 6-4	George Kirby vs Framber Valdez
Sept. 21	@ Astros	-	Logan Gilbert vs Jason Alexander
Sept. 23	Rockies	-	Bryce Miller vs McCade Brown
Sept. 24	Rockies	-	Luis Castillo vs Tanner Gordon
Sept. 25	Rockies	-	Bryan Woo vs TBA
Sept. 26	Dodgers	-	George Kirby vs Clayton Kershaw
Sept. 27	Dodgers	-	Logan Gilbert vs Tyler Glasnow

Jose Altuve leads the Astros with 26 home runs.
Among all hitters in the big leagues, Altuve's home run total is 39th and his RBI tally ranks 64th.
Pena's .304 batting average leads his team.
Pena ranks 108th in home runs and 102nd in RBI among all hitters in MLB.
Yainer Diaz is hitting .258 with 23 doubles, a triple, 19 home runs and 20 walks.
Carlos Correa has 27 doubles, 13 home runs and 41 walks while hitting .276.

Date	Opponent	Score	Pitching Matchup
Sept. 15	Rangers	W 6-3	Jason Alexander vs Jack Leiter
Sept. 16	Rangers	W 6-5	A.J. Blubaugh vs Merrill Kelly
Sept. 17	Rangers	W 5-2	Cristian Javier vs Jacob deGrom
Sept. 19	Mariners	L 4-0	Hunter Brown vs Bryan Woo
Sept. 20	Mariners	L 6-4	Framber Valdez vs George Kirby
Sept. 21	Mariners	-	Jason Alexander vs Logan Gilbert
Sept. 23	@ Athletics	-	A.J. Blubaugh vs Mason Barnett
Sept. 24	@ Athletics	-	Cristian Javier vs J.T. Ginn
Sept. 25	@ Athletics	-	Hunter Brown vs Luis Severino
Sept. 26	@ Angels	-	Framber Valdez vs Kyle Hendricks
Sept. 27	@ Angels	-	Jason Alexander vs TBA