Mariners vs. Nationals Dunkel MLB Picks, Predictions and Prop Bets - June 14

The Seattle Mariners and Washington Nationals square off on Sunday at 1:35 p.m. ET at Nationals Park, attempting to break a 1-1 series tie. Emerson Hancock (5-2, 2.74 ERA) will start for the Mariners, who are 37-35 this season and first in the AL West. Miles Mikolas (1-5, 5.90 ERA) is the expected starter for the Nationals, who are 36-35 and third in the NL East.

Despite playing away from their home ballpark, the Mariners are favored to win (-137) over the Nationals (+115). The over/under for the Mariners-Nationals game is 10.

Mariners vs. Nationals Odds, Game Time

• Game day: Sunday, June 14, 2026
• Game time: 1:35 p.m. ET
• Location: Washington D.C.
• Stadium: Nationals Park
• Favorite: Mariners (-137)
• Underdog: Nationals (+115)
• Over/under: 10

How to Watch Mariners vs. Nationals

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

Bet now on FanDuel Sportsbook!

Mariners vs. Nationals: Betting the Moneyline

• The Mariners have been favored on the moneyline 65 total times this season. They've gone 35-30 in those games.
• Washington has been victorious in 33, or 51.6%, of the 64 contests it has been chosen as underdogs in this season.
• This season Seattle has won 22 of its 36 games, or 61.1%, when favored by at least -137 on the moneyline.
• This season, the Nationals have come away with a win 24 times in 42 chances when named as an underdog of at least +115 or longer on the moneyline.
• The implied moneyline probablility for this matchup gives the Mariners a 57.8% chance to win.
• The Nationals have an implied victory probability of 46.5% according to the moneyline set by sportsbooks for this matchup.

Mariners vs. Nationals: Betting the Spread & Total

• In the 72 games in which oddsmakers have set an over/under for the Mariners, they have combined with opponents to go over the total 35 times (35-34-3).
• So far this season, Washington and its opponents have hit the over in 44 of its 71 games with a total.
• The Mariners have a 27-45-0 record against the spread this season.
• The Nationals are 44-27-0 against the spread in their 71 games with a line set by sportsbooks this season.