Mariners vs. Guardians Odds & Betting Predictions - March 21, 2026

Mariners at Guardians

1:05 am • SEAM

Seattle Mariners

20

20 - 8

Cleveland Guardians

8

pitcher		team	era	w-l
L.Allen			18.00	0-2
G. Mosser			9.00	1-1

MatchupOpenSpreadTotalMoneyline
Mariners 8-12	-1.5	-1.5+130	o12-110	-110
Guardians 11-9	u12	+1.5-155	u12-110	-110

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Saturday 1:05 a.m.

March 21, 2026

Goodyear BallparkGoodyear

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MLB Public Betting

Guardians are 2-3 in their last 5 games.
Guardians are 2-3 in their last 5 games against the spread
Guardians are 6-7 in their road games against the spread
The totals have gone OVER in 3 of Guardians' last 5 games
The totals have gone OVER in 2 of Guardians' 7 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Guardians	12-8	6-1	6-7	4-2	8-6
Mariners	7-13	6-5	1-8	6-11	1-2

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Guardians	9-11	2-5	7-6	2-4	7-7
Mariners	8-11-1	6-4-1	2-7	8-8-1	0-3

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Guardians	11-9	5-2	6-7	4-2	7-7
Mariners	8-12	7-4	1-8	7-10	1-2

date	opponent	score	spread	over/under	moneyline
Mar 20th	KC	W 6-5	-	-	-
Mar 18th	@CIN	W 8-6	+1.5 W	O 11.5	CLE +114
Mar 17th	CHC	L 2-5	-1.5 L	U 9.5	CHC -120
Mar 15th	ATH	W 12-6	-1.5 W	O 11.5	CLE -152
Mar 14th	@SD	L 5-8	-	-	-

Miles Mastrobuoni
3B
Mastrobuoni is out with calf
Out
Bryce Miller
SP
Miller is out with oblique
Out

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PITCHER		PC	IP	K	ER
RG. Mosser, P		75	3.2	1	4
RS. Raeth, P		5	0.1	0	0
RM.Brash, P		22	1	0	0
LJ.Ferrer, P		18	1	2	0
RC.Legumina, P		21	1	1	3
RC.Vargas, P		25	1.1	2	0
LP. Alford, P		21	0.2	2	0

HITTERS	H-AB	R	HR	RBI
1B.Donovan, 3B	3-4	3	0	3
1W.Wilson, 3B	0-1	0	0	0
2J.Rodriguez, CF	3-3	3	1	2
2S.Siani, PH	1-3	0	0	0
2S.Siani, CF	1-3	0	0	0
3R.Arozarena, LF	1-4	2	0	1
4D.Canzone, DH	4-7	3	1	5
5C.Joe, 1B	2-5	1	0	0
6C.Young, SS	3-4	4	2	5
6A. Sanchez, PH	0-0	0	0	0
6A. Sanchez, SS	0-0	0	0	0
7V.Robles, RF	4-6	1	1	4
8A.Knizner, C	2-4	2	0	0
8J.Pereda, C	1-2	0	0	0
9L.Rivas, 2B	2-4	1	0	0
9R.Bliss, PH	0-2	0	0	0
9R.Bliss, 2B	0-2	0	0	0

PITCHER		PC	IP	K	ER
LL.Allen, P		85	2.1	2	12
RT. Thornton, P		28	0.2	2	5
LL.Allen, P		85	2.1	2	12
RJ. Driver, P		14	1	0	0
LL.Allen, P		85	2.1	2	12
RJ. Driver, P		14	1	0	0
RC.Holderman, P		12	1	2	1
RM.Festa, P		21	1	1	2
LE.Sabrowski, P		15	1	1	0
RC.Heuer, P		19	1	3	0

HITTERS	H-AB	R	HR	RBI
1S.Kwan, CF	0-2	0	0	0
1J. Fox, CF	0-1	0	0	0
2B.Rocchio, 2B	1-3	1	0	0
3J.Ramirez, 3B	1-3	1	1	2
3J. Devers, 3B	0-2	0	0	0
4C.DeLauter, DH	1-3	0	0	0
5R.Hoskins, 1B	0-3	0	0	0
6G.Arias, SS	1-2	1	0	0
7A.Martinez, LF	1-3	1	1	2
8A.Hedges, C	0-0	0	0	0
8W.Antunez, LF	1-3	1	1	1
8W.Antunez, LF	1-3	1	1	1
9C.Kayfus, RF	1-3	0	0	0

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MatchupOverUnder
Mariners 8-12	N/A	N/A
Guardians 11-9	N/A	N/A