White Sox vs. Mariners Odds & Betting Predictions - May 20, 2026

White Sox at Mariners

1:40 am • CHSN

Chicago White Sox

40-37

2 - 1

Seattle Mariners

40-39

pitcher		team	era	w-l
B.Miller			1.58	3-1
A.Kay			4.25	6-2

MatchupOpenSpreadTotalMoneyline
White Sox 40-37	+1.5	+1.5-182	o8-101	+119
Mariners 40-39	u7.5	-1.5+152	u8-119	-139

Wednesday 1:40 a.m.

May 20, 2026

T-Mobile ParkSeattle

M.Murakami o1.5 Hits + Runs + RBIs-107

$1.07

M.Murakami o0.5 HR+280

$1.00

J.Rodriguez o0.5 HR+500

0.25u

@gneiffer07 ⭐️ https://myaction.app/kqUcW4tTg3b

M.Murakami o0.5 HR+310

@gneiffer07 ⭐️⭐️⭐️ https://myaction.app/kqUcW4tTg3b

C.Montgomery o0.5 HR+379

@gneiffer07 ⭐️⭐️⭐️ https://myaction.app/kqUcW4tTg3b

A.Kay u15.5 Outs-120

0.6u

J.Rodriguez o0.5 HR+500

0.25u

M.Murakami o0.5 HR+310

0.25u

C.Montgomery o0.5 HR+379

0.25u

R.Arozarena o1.5 Hits + Runs + RBIs-113

1.13u

CWS +125

Under 7.5+100

0.5u

Bet to -115

CWS +132 (F5)

0.5u

(FD) Kay has been better L3 (13.2 K-BB%, 29.8 HardHit%). Facing SEA in their lesser split (76 wRC+ v LHP) w/o Raleigh & Donovan. LHBs (.151 wOBA, .213 xwOBA v Kay & SEA may have to play 3 or 4. Expected to be piggyback between Castillo & Miller, so splitting unit F5 & full game. Castillo 5.78 xERA. CWS LU full of LHBs (.360 wOBA, .347 xwOBA v Castillo since LY, > .350 wOBA even at home against him this year). Actually have CWS with a significant overall offensive edge here (18 points of wRC+). CWS proj. defense 8 FRV edge too. (Would play either down to around +115)

CWS +128

0.64u

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MLB Public Betting

Mariners are 3-2 in their last 5 games.
Mariners are 2-3 in their last 5 games against the spread
Mariners are 15-24 in their road games against the spread
The totals have gone OVER in 1 of Mariners' last 5 games
The totals have gone OVER in 19 of Mariners' 41 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Mariners	30-50	15-26	15-24	28-46	2-4
White Sox	45-33	26-12	19-21	7-5	37-28

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Mariners	37-40-3	19-21-1	18-19-2	35-36-3	2-4
White Sox	45-32-1	21-16-1	24-16	6-5-1	38-27

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Mariners	41-39	22-19	19-20	39-35	2-4
White Sox	41-37	26-12	15-25	8-4	32-33

date	opponent	score	spread	over/under	moneyline
May 19th	CWS	W 6-1	-1.5 W	U 7.5	SEA -162
May 17th	SD	L 3-8	-1.5 L	O 7.5	SD -152
May 16th	SD	L 4-7	-1.5 L	O 7	SD -171
May 16th	SD	L 0-2	-1.5 L	U 7	SD -135
May 14th	@HOU	W 8-3	-1.5 W	O 9	SEA -115

Mike Vasil
RP
Vasil is out with elbow
Out
Ky Bush
SP
Bush is out with elbow
Out
Brooks Baldwin
LF
Baldwin is out with elbow
Out
Drew Thorpe
SP
Thorpe is out with elbow
Out

See more MLB Injuries

PITCHER	PC	IP	K	ER
LA.Kay, P	89	5.1	5	1
RT.Davis, P	30	1.2	4	0
LB.Hudson, P	11	1	1	0
RG.Taylor, P	13	1	3	0

HITTERS	H-AB	R	RBI
1S.Antonacci, LF	0-4	0	0
1S.Antonacci, 2B	0-4	0	0
2M.Murakami, 1B	0-2	0	0
2D.Hill, PR	0-0	1	0
2D.Hill, LF	0-0	1	0
3M.Vargas, 3B	0-3	1	0
3M.Vargas, 1B	0-3	1	0
4C.Montgomery, SS	0-4	0	0
4C.Montgomery, 3B	0-4	0	0
5C.Meidroth, 2B	1-4	0	1
5C.Meidroth, SS	1-4	0	1
6A.Benintendi, DH	1-4	0	1
7J.Kelenic, RF	1-3	0	0
7L.Acuna, PR	0-1	0	0
7L.Acuna, CF	0-1	0	0
8T.Peters, CF	1-3	0	0
8T.Peters, RF	1-3	0	0
9E.Quero, C	0-3	0	0

PITCHER	PC	IP	K	ER
RB.Miller, P	72	5.2	7	0
LJ.Ferrer, P	4	0.1	1	0
RL.Castillo, P	54	2.1	4	2
RA.Munoz, P	11	0.2	2	0

HITTERS	H-AB	R	RBI
1R.Refsnyder, DH	0-4	0	0
2J.Rodriguez, CF	1-4	1	0
3R.Arozarena, LF	0-3	0	0
4J.Naylor, 1B	0-3	0	0
5P.Wisdom, 3B	0-3	0	1
5J.Crawford, PH	0-1	0	0
6C.Joe, RF	0-2	0	0
6L.Raley, PH	0-1	0	0
7M.Garver, C	0-2	0	0
7D.Canzone, PH	0-1	0	0
8C.Young, 2B	0-2	0	0
9C.Emerson, SS	0-2	0	0