The Seattle Mariners visit the New York Yankees on Wednesday night, and the betting market has already made its lean clear. New York sits at -131 on the moneyline after taking the series opener. Seattle counters with right-hander Bryce Miller, who owns one of the quieter strong ERAs in the American League. Our headline read leans toward the home side, but the pitching and the punchless bats on both ends make the total just as interesting. Here is how the numbers line up before first pitch.
Last Updated: Wednesday, August 12, 2026
Seattle Mariners vs. New York Yankees — Time & How to Watch
| Where | Yankee Stadium, Bronx, NY |
| When | Wednesday, August 12, 2026 — 7:05 PM ET |
| TV | ESPN |
Seattle Mariners vs. New York Yankees Betting Preview
Pitching sets the table here. Seattle sends Bryce Miller, who carries a 3.08 ERA and a tidy 0.95 WHIP across his 2026 work. He limits baserunners and misses enough bats to keep Seattle in most games. His last time out was a step back, though. Miller gave up four runs in five innings against Detroit on August 6, undone by a three-run first. New York answers with Will Warren, an 8-6 right-hander with a 4.18 ERA and a 1.37 WHIP. Warren can miss bats, but his command wavers. He allowed seven hits over 5 1/3 innings in a recent loss to St. Louis, and he does not always hand the Yankees length.
The standings frame the stakes. New York entered Wednesday at 67-52 and firmly in the American League playoff mix. Seattle sat at 56-64, under .500 and slipping in the AL West. The bats tell the same story. New York held the Mariners to a single run in the opener, and Seattle’s offense has been the team’s weak point for weeks. New York’s lineup has scuffled at times too, but it still runs deeper than Seattle’s. Both clubs also face the short right-field porch at Yankee Stadium, which can turn a routine fly into a cheap run. That matters more for the total than for the side.
Seattle Mariners vs. New York Yankees Odds
| Run Line | Moneyline | Total | |
|---|---|---|---|
| Mariners | +1.5 (-195) | +109 | U 8.5 (-105) |
| Yankees | -1.5 (+165) | -131 | O 8.5 (-115) |
Odds accurate as of Wednesday, August 12, 2026 via TheSpread.com. Odds change, get the latest MLB Odds – Futures – Props
Seattle Mariners vs. New York Yankees — Who Is the Public Betting?
| Mariners | 25% | 75% | Yankees |
See the latest MLB Public Betting Splits and make smarter wagers!
Mariners vs. Yankees Prediction — Can Seattle’s Bats Wake Up in the Bronx?
The case for the home side starts with the gap in offense. Seattle’s lineup has gone quiet, and it managed just one run in Tuesday’s opener. Miller can keep the score down, but he needs run support that has not shown up. New York, even in an uneven stretch, has more ways to score and a deeper bullpen behind a starter who may not work deep.
The market agrees, for what that is worth. The Yankees opened near -119 and firmed to -131 as money arrived, and public tickets sit heavily on New York. That is money moving with the crowd, not against it, so it confirms the popular read rather than flagging a hidden edge. Warren’s team also owns a strong moneyline record when he is favored, another point in the Yankees’ column.
The counter is real, though. Miller is the better pitcher tonight on paper, and a 3.08 ERA travels. If Seattle scratches out two or three runs and Miller carries a lead into the sixth, the Yankees’ inconsistent offense could go quiet at the wrong time. Laying -131 on a home team facing a quality arm is not free money. Still, the weight of the matchup points one direction.
The Pick: New York Yankees Moneyline (-131)
Mariners vs. Yankees Prediction — Do Two Cold Offenses Point One Way?
This is a meeting of two offenses that have struggled to score. The opener finished 4-1, five runs shy of a similar 8.5 number. Miller has been stingy all year, and Warren, for all his command hiccups, still misses bats. Seattle’s lineup gives little reason to expect a crooked number, and New York has run cold in stretches of its own.
The push-back is the ballpark. That short porch in the Bronx can flip a total with one swing, and Warren has already served up 15 home runs this season. A single three-run inning changes the math fast. Even so, with a strong Seattle starter on the mound and two lineups fighting themselves, the lean is toward a lower-scoring night.
The Pick: Under 8.5 (-105)
Final Thoughts and Bonus Angle
The swing factor is Miller. If he pitches to his season line, this game stays tight and low, and both of our leans stay alive. If Seattle strands runners again, the Yankees only need a couple of timely hits. Watch Warren’s early command as well. When he falls behind, New York turns to a bullpen that has carried a heavy load this week, and a shaky bridge to the late innings is where an under can slip away. For more games on the board, see our latest MLB best bets breakdown. Rather than force a third play into a game this tight, we will let the two leans stand.
To recap the card: the New York Yankees on the moneyline (-131) is the top play, and the Under 8.5 (-105) is the supporting lean. Both are reads, not locks.
MLB Mariners vs. Yankees FAQ: Wednesday August 12, 2026
What time does the Mariners vs. Yankees game start?
First pitch for Mariners vs. Yankees is set for 7:05 PM ET on Wednesday, August 12, 2026, at Yankee Stadium in the Bronx. It is the middle game of a three-game series between Seattle and New York, following Tuesday’s opener.
What channel is the Mariners vs. Yankees game on?
The Mariners vs. Yankees game is carried nationally on ESPN on Wednesday, August 12, 2026. That national window replaces the usual local broadcasts for this matchup, so viewers across the country can find the game on ESPN rather than a regional sports network.
Who is pitching for the Mariners on Wednesday?
Seattle starts right-hander Bryce Miller, who carries a 3.08 ERA and a 0.95 WHIP this season. New York counters with right-hander Will Warren, who is 8-6 with a 4.18 ERA. Miller is the steadier arm on paper, while Warren has been the more inconsistent of the two.
Who won the last meeting between the Mariners and Yankees?
New York won the series opener 4-1 on Tuesday, August 11, 2026, holding Seattle to a single run. Ryan Weathers turned in a strong start for the Yankees, and the home side’s bats did just enough in a low-scoring, pitching-led game at Yankee Stadium.
Where are the Mariners and Yankees playing today?
Wednesday’s game is at Yankee Stadium in the Bronx, New York. It is the second contest of a three-game set between the Mariners and Yankees, with Seattle in as the visiting club. First pitch is scheduled for 7:05 PM ET on the national ESPN broadcast.