How to Watch Mariners vs. Blue Jays ALCS Game 4 - October 16

Updated Oct. 16, 2025 3:22 p.m. ET

FOX Sports

The Seattle Mariners will host the Toronto Blue Jays in the fourth game of the ALCS on Thursday at 8:33 p.m. ET, live on FS1 from T-Mobile Park. The Blue Jays will try to tie things up as they enter the matchup trailing in the series 2-1. Luis Castillo is expected to start for the Mariners, while the Blue Jays will counter with Max Scherzer.

Here is everything you need to know to watch the Mariners vs. Blue Jays game.

Keep up with MLB on FOX Sports.

Mariners vs. Blue Jays Game Information & How to Watch

When: Thursday, October 16, 2025 at 8:33 p.m. ET
Where: T-Mobile Park in Seattle, Washington
TV: Watch on FS1
Box Score: Fox Sports

Mariners vs. Blue Jays Prediction

Score Prediction: Mariners 5, Blue Jays 4
Total Prediction: Over 7.5 runs
Win Probabilities: Mariners 52%, Blue Jays 48%

Mariners vs. Blue Jays Head to Head

Date	Favorite	Spread	Total	Favorite Moneyline	Underdog Moneyline	Result
10/15/2025	Mariners	-1.5	7	-131	+110	13-4 TOR
10/13/2025	Blue Jays	-1.5	7	-124	+104	10-3 SEA
10/12/2025	Blue Jays	-1.5	8	-164	+138	3-1 SEA
5/11/2025	Mariners	-1.5	8	-187	+155	9-1 TOR
5/10/2025	Mariners	-1.5	8	-138	+117	6-3 TOR
5/9/2025	Mariners	-1.5	7	-148	+124	6-3 TOR
4/20/2025	Mariners	-1.5	8.5	-111	-108	8-3 SEA
4/19/2025	Mariners	-1.5	7.5	-120	+101	8-4 SEA
4/18/2025	Blue Jays	-1.5	8	-127	+107	3-1 TOR
7/7/2024	Mariners	-1.5	7.5	-149	+126	5-4 TOR

Mariners Last 10 Game Stats

Stat	Avg/Total
Record	5-5
Runs Per Game	4
HR	14
ERA	4.27
K/9	8.1

Mariners Player Insights

Cal Raleigh has gone yard 60 times in the 2025 campaign while driving in 125 runs, both totals that lead the Mariners.
Of all hitters in the majors, Raleigh ranks first in homers and third in RBI.
Julio Rodriguez has 31 doubles, four triples, 32 home runs and 44 walks while hitting .267.
Rodriguez ranks 17th in home runs and 20th in RBI on the season.
Rodriguez enters this game looking for his fourth game in a row with a hit. In his last five games he is batting .211 with two home runs, five walks and five RBIs.
Josh Naylor has accumulated a team-high batting average of .295.
Eugenio Suarez is batting .228 with 28 doubles, 49 home runs and 46 walks.
Suarez takes a three-game streak with at least one hit into this one. In his last five games he is batting .182 with a double and a walk.

Mariners Recent & Upcoming Games

Date	Opponent	Score	Pitching Matchup
Oct. 8	@ Tigers	L 9-3	Bryce Miller vs Casey Mize
Oct. 10	Tigers	W 3-2	George Kirby vs Tarik Skubal
Oct. 12	@ Blue Jays	W 3-1	Bryce Miller vs Kevin Gausman
Oct. 13	@ Blue Jays	W 10-3	Logan Gilbert vs Trey Yesavage
Oct. 15	Blue Jays	L 13-4	George Kirby vs Shane Bieber
Oct. 16	Blue Jays	-	Luis Castillo vs Max Scherzer
Oct. 17	Blue Jays	-	TBA vs TBA
Oct. 19	@ Blue Jays	-	TBA vs TBA
Oct. 20	@ Blue Jays	-	TBA vs TBA

Blue Jays Last 10 Game Stats

Stat	Avg/Total
Record	7-3
Runs Per Game	7.3
HR	21
ERA	4.15
K/9	10.7

Blue Jays Player Insights

Vladimir Guerrero Jr. has 34 doubles, 23 home runs and 81 walks while batting .292.
Guerrero's home run total places him 62nd in the big leagues, and he ranks 43rd in RBI.
George Springer has shown off his power as he leads his team with 32 home runs.
Springer is currently 17th in homers and 43rd in RBI in the major leagues.
Ernie Clement is hitting .277 with 35 doubles, two triples, nine home runs and 27 walks.
Alejandro Kirk is batting .282 with 18 doubles, 15 home runs and 48 walks.

Blue Jays Recent & Upcoming Games

Date	Opponent	Score	Pitching Matchup
Oct. 7	@ Yankees	L 9-6	Shane Bieber vs Carlos Rodon
Oct. 8	@ Yankees	W 5-2	Louie Varland vs Cam Schlittler
Oct. 12	Mariners	L 3-1	Kevin Gausman vs Bryce Miller
Oct. 13	Mariners	L 10-3	Trey Yesavage vs Logan Gilbert
Oct. 15	@ Mariners	W 13-4	Shane Bieber vs George Kirby
Oct. 16	@ Mariners	-	Max Scherzer vs Luis Castillo
Oct. 17	@ Mariners	-	TBA vs TBA
Oct. 19	Mariners	-	TBA vs TBA
Oct. 20	Mariners	-	TBA vs TBA