Mariners vs. Marlins Dunkel MLB Picks, Predictions and Prop Bets - July 9

The Miami Marlins carry a five-game win streak into a contest versus the Seattle Mariners, at 6:40 p.m. ET on Thursday. Bryce Miller (4-2, 1.71 ERA) gets the start for the Mariners, who are 47-46 this season and first in the AL West. Janson Junk (3-5, 4.80 ERA) is the expected starter for the Marlins, who are 51-42 and third in the NL East.

Despite playing away from home the Mariners are at -126 to win, compared to the Marlins at +104. The total for the Mariners-Marlins game is 8.

Mariners vs. Marlins Odds, Game Time

• Game day: Thursday, July 9, 2026
• Game time: 6:40 p.m. ET
• Location: Miami, Florida
• Stadium: loanDepot park
• Favorite: Mariners (-126)
• Underdog: Marlins (+104)
• Over/under: 8

How to Watch Mariners vs. Marlins

• TV Channel: MIAM and SEAM
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Mariners vs. Marlins: Betting the Moneyline

• The Mariners have won 44 of the 81 games they were the moneyline favorite this season (54.3%).
• Miami has been victorious in 19, or 40.4%, of the 47 contests it has been chosen as underdogs in this season.
• Seattle has a record of 38-25 in games when bookmakers favor them by at least -126 on the moneyline.
• The Marlins have a win-loss record of 14-20 when favored by +104 or worse by oddsmakers this year.
• The Mariners have a 55.8% chance to win this matchup based on the moneyline's implied probability.
• The Marlins have an implied victory probability of 49% according to the moneyline set by oddsmakers for this matchup.

Mariners vs. Marlins: Betting the Spread & Total

• The Mariners have combined with opponents to go over the total 44 times this season for a 44-46-3 record against the over/under.
• Miami and its opponents have gone over the total this season in 50 of its 93 opportunities.
• The Mariners have collected a 37-56-0 record against the spread this season (covering only 39.8% of the time).
• The Marlins have an against the spread record of 50-43-0 in 93 games with a line this season.