Diamondbacks vs. Mariners Odds & Betting Predictions - May 30, 2026

Diamondbacks at Mariners

2:10 am • SEAM

Arizona Diamondbacks

Seattle Mariners

pitcher		team	era	w-l
G.Kirby			3.54	5-4
Z.Gallen			4.80	3-4

MatchupOpenSpreadTotalMoneyline
Diamondbacks 31-24	+1.5	+1.5-190	o7-119	+115
Mariners 28-29	u7.5	-1.5+155	u7-102	-140

Saturday 2:10 a.m.

May 30, 2026

T-Mobile ParkSeattle

58°Fahrenheit

1%Rain

6Wind

Under 7.5-123

1.23u

ARI +122

Under 7+110

Over bet was a logging error! This is the bet.

Over 7+110

Slip of the finger! This is not an official play 🚫 (Under 7 +110)

Z.Gallen u5.5 Ks-155

0.25u

@cowhitchurch ⭐️ https://myaction.app/qxJUWRHux3b

Under 7.5-122

0.5u

@Zerillo ⭐️⭐️ https://myaction.app/qxJUWRHux3b

Under 0.5 (1st Inn)-140

1.4u

K.Marte o1.5 Total Bases+140

0.5u

G.Kirby o5.5 Ks+130

0.5u

(B365) Park gives a bit K boost (Kirby 22.5% at home). Has faced fewer than 24 batters just once since 1st start. 3 in ARI proj. LU > 30 K% vs RHP.

Under 7.5-123

0.62u

Bet to 7 (-115)

Diamondbacks vs Mariners: Player Prop for Late Night Game
Nick Martin•
May 29, 2026 UTC
Adam Trigger's Triple-A Baseball Bets for Friday
Adam Trigger•
May 29, 2026 UTC

See more MLB Coverage

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 12-16 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 14 of Mariners' 29 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Mariners	22-35	10-19	12-16	20-33	2-2
Diamondbacks	33-22	17-11	16-11	14-11	18-11

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Mariners	25-30-2	14-14-1	11-16-1	25-26-2	0-4
Diamondbacks	27-25-3	12-15-1	15-10-2	10-14-1	16-11-2

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Mariners	28-29	14-15	14-14	26-27	2-2
Diamondbacks	31-24	18-10	13-14	17-8	13-16

date	opponent	score	spread	over/under	moneyline
May 27th	@ATH	W 9-1	-1.5 W	O 9	SEA -120
May 27th	@ATH	W 4-1	-1.5 W	U 9.5	SEA -106
May 26th	@ATH	W 9-2	-1.5 W	O 10.5	SEA -113
May 24th	@KC	L 6-8	-1.5 L	O 8.5	KC -125
May 23rd	@KC	L 0-5	-1.5 L	U 8.5	KC -130

Miles Mastrobuoni
3B
Mastrobuoni is out with calf
Out

Corbin Burnes
SP
Burnes is out with elbow
Out
Blake Walston
SP
Walston is out with elbow
Out
Tyler Locklear
1B
Locklear is out with elbow
Out

Cristian Mena
SP
Mena is doubtful with shoulder
Doubtful

See more MLB Injuries

PITCHER		W-L	ERA	WHIP	K/9
RZ.Gallen, P		3-4	4.80	1.436	6.63

HITTERS	AVG	OBP	SLG	HR
1K.Marte, 2B	.276	.326	.476	9
2C.Carroll, RF	.293	.392	.553	7
3G.Perdomo, SS	.223	.336	.335	2
4N.Arenado, 3B	.271	.351	.459	7
5R.Waldschmidt, CF	.302	.362	.413	0
6I.Vargas, 1B	.303	.330	.484	7
7G.Moreno, C	.252	.314	.402	3
8A.Del Castillo, DH	.193	.250	.333	4
9T.Troy, LF	.417	.500	.583	0

PITCHER		W-L	ERA	WHIP	K/9
RG.Kirby, P		5-4	3.54	1.209	7.21

HITTERS	AVG	OBP	SLG	HR
1J.Crawford, SS	.212	.338	.359	7
2J.Rodriguez, CF	.258	.317	.437	10
3J.Naylor, 1B	.258	.322	.354	5
4R.Arozarena, LF	.295	.382	.464	6
5L.Raley, RF	.264	.322	.550	11
6C.Young, 2B	.242	.321	.348	3
7D.Canzone, DH	.237	.315	.447	5
8M.Garver, C	.203	.353	.319	2
9C.Emerson, 3B	.258	.361	.516	1