Cubs vs Mariners Odds: Moneyline, Over/Under, Props - August 21, 2026 | The Action Network

Cubs at Mariners

2:10 am • SEAM

Chicago Cubs

@

Seattle Mariners

pitcher		team	era	w-l
E.Hancock			0.00	0-0
M.Boyd			0.00	0-0

MatchupOpenSpreadTotalMoneyline
Cubs 73-53	N/A	N/A	N/A
Mariners 59-66	N/A	N/A	N/A

location pin

Saturday 2:10 a.m.

August 22, 2026

T-Mobile ParkSeattle

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76°Fahrenheit

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1%Rain

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5Wind

No props found

MLB Public Betting

Mariners are 3-2 in their last 5 games.
Mariners are 3-2 in their last 5 games against the spread
Mariners are 22-41 in their road games against the spread
The totals have gone OVER in 3 of Mariners' last 5 games
The totals have gone OVER in 28 of Mariners' 62 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Mariners	45-80	23-39	22-41	35-65	8-15
Cubs	62-64	28-35	34-29	39-46	23-17

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Mariners	60-59-6	28-31-3	32-28-3	48-47-5	12-10-1
Cubs	68-58	34-29	34-29	46-39	22-18

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Mariners	59-66	33-29	26-37	49-51	8-15
Cubs	73-53	37-26	36-27	50-35	22-18

date	opponent	score	spread	over/under	moneyline
Aug 16th	@HOU	W 3-2	+1.5 W	U 7.5	SEA +113
Aug 15th	@HOU	W 10-5	+1.5 W	O 8.5	SEA +110
Aug 15th	@HOU	L 7-10	+1.5 L	O 8	HOU +111
Aug 13th	@NYY	W 1-0	+1.5 W	U 7.5	SEA +149
Aug 12th	@NYY	L 5-10	+1.5 L	O 8.5	NYY +121

Tyler Austin
1B
Austin is out with knee
Out
Justin Steele
SP
Steele is out with elbow
Out

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MatchupOverUnder
Cubs 73-53	N/A	N/A
Mariners 59-66	N/A	N/A