Red Sox vs. Mariners Odds & Betting Predictions - June 20, 2026

Red Sox at Mariners

2:10 am • NESN

Boston Red Sox

Seattle Mariners

pitcher		team	era	w-l
B.Miller			1.54	3-0
R.Suarez			3.21	2-3

MatchupOpenSpreadTotalMoneyline
Red Sox 29-43	-1.5	+1.5-200	o6.5-120	+111
Mariners 39-37	u7	-1.5+165	u6.5+100	-132

Saturday 2:10 a.m.

June 20, 2026

T-Mobile ParkSeattle

79°Fahrenheit

0%Rain

7Wind

Under 7-120

0.6u

Bet to 6.5 (-120)

R.Suarez o17.5 Outs-110

1.1u

Under 6.5+115

0.87u

SEA -125

1.25u

R.Suarez o5.5 Ks+107

0.5u

(DK) Has struck out 23 of L73. SEA Ks more vs LHP (proj. LU 22.9% since LY). Suarez 32 K% vs LHBs this year. Project him to face around 10. Park should give > 15% boost.

No props found

MLB Public Betting

Mariners are 2-3 in their last 5 games.
Mariners are 2-3 in their last 5 games against the spread
Mariners are 15-23 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 18 of Mariners' 38 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Mariners	29-47	14-24	15-23	27-43	2-4
Red Sox	28-44	12-25	16-19	17-29	10-15

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Mariners	36-37-3	18-19-1	18-18-2	34-33-3	2-4
Red Sox	32-37-3	13-22-2	19-15-1	20-24-2	12-12-1

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Mariners	39-37	21-17	18-20	37-33	2-4
Red Sox	29-43	12-25	17-18	19-27	9-16

date	opponent	score	spread	over/under	moneyline
Jun 18th	BAL	W 3-0	-1.5 W	U 7.5	SEA -129
Jun 18th	BAL	L 3-5	-1.5 L	O 7.5	BAL -135
Jun 17th	BAL	W 3-1	-1.5 W	U 7.5	SEA -150
Jun 14th	@WSH	L 1-10	-1.5 L	O 10.5	WSH -132
Jun 13th	@WSH	L 3-8	-1.5 L	O 9	WSH -105

Tanner Houck
SP
Houck is out with arm
Out
Triston Casas
1B
Casas is out with knee
Out
Patrick Sandoval
SP
Sandoval is out with elbow
Out
Kutter Crawford
SP
Crawford is out with wrist
Out
Romy Gonzalez
1B
Gonzalez is out with shoulder
Out

See more MLB Injuries

PITCHER		W-L	ERA	WHIP	K/9
LR.Suarez, P		2-3	3.21	1.171	9.00

HITTERS	AVG	OBP	SLG	HR
1M.Gasper, DH	.269	.324	.344	0
2C.Rafaela, CF	.287	.339	.450	7
3W.Abreu, RF	.274	.333	.426	8
4W.Contreras, 1B	.289	.384	.542	16
5J.Duran, LF	.210	.269	.390	12
6I.Kiner-Falefa, 2B	.277	.344	.361	2
7C.Durbin, 3B	.192	.251	.322	4
8M.Mayer, SS	.216	.285	.303	3
9C.Narvaez, C	.207	.278	.298	2

PITCHER		W-L	ERA	WHIP	K/9
RB.Miller, P		3-0	1.54	0.714	9.26

HITTERS	AVG	OBP	SLG	HR
1J.Crawford, 3B	.222	.351	.394	10
2C.Raleigh, C	.164	.249	.310	7
3R.Refsnyder, LF	.143	.214	.242	3
4J.Naylor, 1B	.253	.314	.370	8
5V.Robles, RF	.264	.291	.302	0
6M.Garver, DH	.194	.318	.312	3
7C.Young, 2B	.257	.318	.370	6
8C.Joe, CF	.189	.302	.324	1
9C.Emerson, SS	.235	.309	.529	6