Royals vs. Mariners Odds & Betting Predictions - May 3, 2026

Royals at Mariners

1:40 am • SEAM

Kansas City Royals

13-19

0 - 0

Seattle Mariners

16-17

MatchupOpenSpreadTotalMoneyline
Royals 13-19	+1.5	+1.5-180	o8-109	+118
Mariners 16-17	u7.5	-1.5+149	u8-110	-140

Sunday 1:40 a.m.

May 03, 2026

T-Mobile ParkSeattle

D.Canzone o1.5 Total Bases+180

0.29u

#EV 4.21%

Over 7.5-120

Join Discord for earlier access: https://discord.gg/HjKxYKdSUy Recent form is the entry point, with Kansas City over 7.5 in 8 of its last 10 and Seattle there in 7 of 10. Hancock has allowed 7 HR in 34.2 IP, which gives the Royals a clean path without needing constant traffic. The listed 2026 meetings already landed on 15, 15, 7, and 8 runs before the latest 7-6 log.

S.Lugo u2.5 Earned Runs-105

1.05u

KC +125

1.25u

B.Witt o1.5 Hits + Runs + RBIs-115

1.15u

Has 2+ HRRs in 9/L11 games & has a solid chance at 5+ PAs again here. He’s 2 for 7 with a HR vs Hancock who’s allowed a high 12.0% Barrel% & 4.52 xERA. He hits his pitch mix well too. Usually 1.5 HRR lines aren’t playable for Bobby so I’ll take advantage while I can.

B.Witt o1.5 Hits + Runs + RBIs-125

1.25u

J.Caglianone o0.5 HR+507

0.1u

B.Witt o1.5 Hits + Runs + RBIs-115

C.Jensen o0.5 HR+525

0.25u

V.Pasquantino o0.5 HR+547

0.25u

Under 7.5-105

0.53u

Bet to -120

Under 0.5 (1st Inn)-145

$1.45

Under 7.5-110

0.55u

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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 4-11 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 10 of Mariners' 18 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Mariners	12-21	8-10	4-11	11-19	1-2
Royals	13-19	8-8	5-11	8-9	4-10

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Mariners	15-16-2	10-7-1	5-9-1	15-13-2	0-3
Royals	14-18	10-6	4-12	10-7	4-10

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Mariners	16-17	10-8	6-9	15-15	1-2
Royals	13-19	9-7	4-12	9-8	3-11

date	opponent	score	spread	over/under	moneyline
May 2nd	KC	L 6-7	-1.5 L	O 7	KC -139
Apr 29th	@MIN	W 5-3	-1.5 W	U 8	SEA -135
Apr 28th	@MIN	W 7-1	-1.5 W	O 7.5	SEA -125
Apr 27th	@MIN	L 4-11	-1.5 L	O 9	MIN -123
Apr 26th	@STL	W 3-2	-1.5 L	U 8.5	SEA -132