Mariners vs. Orioles odds, line, prediction: 2026 MLB picks for Monday, June 8, from proven model

Teams looking to get back on track meet when the Seattle Mariners face the Baltimore Orioles in the first of a four-game series on Monday night. Seattle is coming off a 5-4 loss at Detroit, while Baltimore dropped a 6-4 decision at Toronto on Sunday. The Mariners (34-32), who have lost three of the past four games, are 15-16 on the road this season. The Orioles (31-35), who have lost two in a row, are 19-15 on their home field in 2026.

First pitch from Oriole Park at Camden Yards in Baltimore is set for 6:35 p.m. ET. The Orioles lead the all-time series 247-213, including five of the past six meetings. Seattle is a -131 favorite on the money line (risk $131 to win $100) in the latest Mariners vs. Orioles odds, while the over/under, is 9.

Before making any Mariners vs. Orioles picks, or MLB predictions, you NEED to see what the SportsLine Projection Model has to say.

SportsLine Projection Model simulates every MLB game 10,000 times and entered Week 12 of the MLB season on a red-hot 19-7 run (73%) on all top-rated MLB picks. It also excelled at making home run prop picks in 2025, returning nearly 30 units of profit. Anybody following could have seen strong returns!   

The model has simulated Mariners vs. Orioles 10,000 times and the results are in. The model is going Over on the total, and is also says one side of the money line has ALL the value!

Who wins Mariners vs. Orioles, and which side of the money line has ALL the value? ... Join SportsLine right now to find out which side of the Mariners vs. Tigers money line you should be all over, all from the model that enters Week 12 of the MLB season on a red-hot 19-7 run!