Clarke Schmidt NY Yankees

Yankees vs. Mariners Run Line Prediction: Expert MLB Analysis (May 12)

By Rich Crew

Looking for the winning edge in Yankees vs. Mariners? Our expert MLB analysis breaks down the matchup and delivers our top picks (Runline & Total) for tonight’s showdown in Seattle.

Sharp Money Take

The Yankees come to Seattle on a roll, having won 6 of their last 7 games and averaging over 9 runs per game in their last 5. The market has clearly noticed – New York opened as road favorites and that line has stayed steady despite being on the road.

What’s catching sharp attention is the Yankees -1.5 at +128. At those odds, you’re getting paid like an underdog to lay a run and a half with a team that’s been covering spreads at a 4-1 clip recently. Seattle’s 1-7 ATS in their last 8 suggests they’re having trouble meeting market expectations.

Key Matchup Analysis

Clarke Schmidt (0-1, 4.79 ERA) takes the mound for New York after solid outings in 2 of his last 3 starts. He threw 6 innings of 1-run ball against Toronto and followed that with 5 innings versus Cleveland. Schmidt has struggled in limited exposure against Seattle historically, but we’re dealing with small sample sizes.

Emerson Hancock (1-1, 5.70 ERA) counters for the Mariners. He’s been decent since his season-opening disaster against Detroit (6 runs in 0.2 innings), posting quality starts in 3 of his next 4 outings. Hancock has never faced the Yankees, which could work in his favor early but might hurt him the second time through the order.

Situational Factors

Seattle’s bullpen is showing wear after their series with Toronto. They’ve used 12 innings from the pen in their last 3 games compared to just 7.2 for the Yankees. Key reliever Andrés Muñoz (0.00 ERA) is available but has already pitched 3 times in the last 7 days.

The Yankees offense has been absolutely cooking – they’ve scored 7+ runs in 4 of their last 5 and hit double digits in three of those games. Even more telling, they’re 17-7 SU in their last 24 road games against Seattle.

Statistical Edges

New York’s offense ranks 2nd in runs per game at 5.72, while Seattle sits 6th at 5.03. The gap widens when looking at road/home splits – the Yankees average 5.44 runs on the road compared to Seattle allowing 3.90 at home.

The total has gone Over in 4 of the Yankees’ last 5 road games and in 5 of Seattle’s last 5 home games. With Seattle posting a 24-13 O/U record on the season, they’re one of the best Over teams in baseball.

Yankees vs. Mariners Best Bets for May 12

We’re backing the Yankees -1.5 at +128 for 2 units. Getting plus money to lay the runline with a team this hot is rare value. New York’s explosive offense should overwhelm a Mariners team that’s struggled lately, especially with Seattle’s bullpen showing fatigue.

We also like the Over 8.5 for 1.5 units. Both teams have been going Over consistently, the Yankees’ bats are locked in, and Hancock’s track record suggests he’ll struggle to keep this total under wraps.

Alternative plays: Yankees F5 moneyline (-120), Yankees Over team total 4.5 runs (-115)

Free Pick: Take Yankees -1.5 +128 and Over 8.5
Bovada

SOLID 50% BONUS - UP TO $250 FREE!

MLB Free Picks

Bet on Starting Pitcher Value With MLB Five-Inning Lines

Bet on Starting Pitcher Value With MLB Five-Inning Lines

Similar to betting the first half of an NFL football game, an MLB five-inning line covers the first half of action in a baseball game. Since baseball betting lines, in general, are heavily weighted on each team's starting pitcher, their impact on the game's outcome...

Betting MLB Dime Lines at Select Online Sportsbooks

Betting MLB Dime Lines at Select Online Sportsbooks

Baseball is back on the betting board at your favorite online sportsbook. One of the most popular ways to bet on the games is by using the posted money line odds. An MLB money line handicaps the straight-up result for a game by increasing the financial risk to bet on...

Betting MLB Win Totals

Betting MLB Win Totals

One of the most popular betting props ahead of any MLB regular seasons is on the odds for each team’s projected win total. Given that the schedule covers 162 games, there can be a rather wide margin of error in any projected total. Going through the list of each MLB...

The Statinator’s April 25, 2026 MLB Recap: -8.7 Units on a 2-5 Card

Betting the OVER/UNDER on MLB Props for Home Runs and Total Wins

With spring training underway for all 30 MLB teams, there is a renewed interest in betting the posted props for individual player performances in the regular season. Options like which slugger hits the most home runs and which ace has the most wins are fun and...

BEST SPORTSBOOK BONUSES

Stop wasting money! Start receiving at 30% Rebate at Betanysports

YES! There are still online sportsbooks where your credit card will work! You get a 50% bonus as well! –> Bovada

Deposit $100 to $1000 and get a MASSIVE 50% Sign-on bonus! MyBookie