Diamondbacks vs. Mariners Odds & Betting Predictions - February 28, 2026

Diamondbacks at Mariners

1:10 am • ARID

Arizona Diamondbacks

@

Seattle Mariners

pitcher		team	era	w-l
L.Castillo			0.00	0-0
R.Nelson			0.00	0-0

MatchupOpenSpreadTotalMoneyline
Diamondbacks 3-4	N/A	N/A	+140
Mariners 3-3	N/A	N/A	-166

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Saturday 1:10 a.m.

February 28, 2026

Peoria Sports ComplexPeoria

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87°Fahrenheit

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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 33-48 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 41 of Mariners' 81 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Mariners	69-93	36-45	33-48	44-69	24-22
Diamondbacks	82-79	40-41	42-38	36-52	45-27

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Mariners	88-68-6	41-35-5	47-33-1	58-49-6	28-18
Diamondbacks	80-74-7	39-36-6	41-38-1	43-40-5	37-33-2

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Mariners	90-72	51-30	39-42	66-47	22-24
Diamondbacks	80-82	43-38	37-43	45-43	34-38

date	opponent	score	spread	over/under	moneyline
Feb 26th	CLE	W 8-7	-1.5 L	O 11	SEA -150
Feb 25th	@KC	L 8-8	+1.5 W	O 10	KC +120
Feb 24th	CWS	L 10-12	-1.5 L	O 11	CWS -210
Feb 23rd	@LAD	L 0-3	-1.5 L	U 9	LAD -105
Feb 22nd	@CIN	W 14-8	-1.5 W	O 11.5	SEA -113

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MatchupOverUnder
Diamondbacks 3-4	N/A	N/A
Mariners 3-3	N/A	N/A