Mariners vs. Astros Betting Lines, Odds, & Player Matchups May 11, 2026

Data Skrive

The Seattle Mariners (19-21) visit the Houston Astros (16-24) in AL West action on Monday at 8:10 p.m. ET. The Mariners are favored (-136) against the underdog Astros (+116). Seattle’s George Kirby starts against Houston’s Peter Lambert.

Check out all the Latest Baseball Betting Previews!

Odds to Win

Mariners to win vs Astros -136

Bet $20, Payout $34.71

Mariners vs. Astros betting lines

  • Favorite: Mariners (-136)
  • Underdog: Astros (+116)
  • Over/under: 8.5

Mariners betting info, hitting leaders, & pitching

Mariners betting info

  • The Mariners have gone 18-18 in games they were favored on the moneyline (winning 50% of those games).
  • Seattle has gone 13-8 when it has played as moneyline favorites with odds of -136 or shorter (61.9% winning percentage).
  • The implied moneyline probablility for this matchup gives the Mariners a 57.6% chance to win.
  • Seattle has played in 40 games with over/under set, and have combined with opponents to go over the total 18 times (18-21-1).
  • The Mariners have a 14-26-0 record ATS this season.

Mariners hitting info

  • Randy Arozarena paces the Mariners with a .278 batting average.
  • Arozarena’s home runs rank 136th in MLB and he ranks 180th in RBI in MLB.
  • Arozarena enters this game on a three-game hitting streak. In his last five games he is hitting .316 with a walk.
  • Julio Rodriguez has seven doubles, six home runs and 14 walks while batting .272.
  • Rodriguez ranks 44th in homers and 84th in RBI among MLB hitters this season.
  • Rodriguez heads into this matchup on a three-game hitting streak. In his last five games he is batting .300 with two home runs, two walks and two RBIs.
  • Josh Naylor has three doubles, five home runs and 12 walks while hitting .247.
  • Naylor heads into this matchup on an eight-game hitting streak. In his last 10 outings he is hitting .357 with a double, two home runs, a walk and nine RBIs.
  • J.P. Crawford is hitting .202 with three doubles, four home runs and 26 walks.

Mariners pitching rankings

  • The 8.5 strikeouts per nine innings put together by the Mariners pitching staff ranks 16th in the majors.
  • Seattle has a 3.82 team ERA that ranks eighth among all MLB pitching staffs.
  • Pitchers for the Mariners combine for the No. 7-ranked WHIP in baseball (1.241).
  • The Mariners allow the 17th-fewest home runs in baseball (42 total, 1.1 per game).
  • Seattle struck out 10 White Sox batters while giving up nine hits in a 6-1 loss in its last game.

Astros betting info, hitting leaders, & pitching

Astros betting info

  • The Astros have been underdogs in 24 games this season and won 11 (45.8%) of those contests.
  • Houston has entered 14 games this season as the underdog by +116 or more and is 5-9 in those contests.
  • The Astros have a 46.3% chance to win this game based on the implied probability of the moneyline.
  • Houston’s games have gone over the total in 26 of its 40 chances.
  • The Astros are 16-24-0 against the spread this season.

Astros hitting info

  • Yordan Alvarez leads Houston in batting average (.327), home runs (13) and runs batted in (29) this season.
  • In all of Major League Baseball, Alvarez is fourth in home runs and seventh in RBI.
  • Christian Walker has collected 42 hits this season and has an OBP of .360. He’s slugging .534 on the year.
  • Walker ranks 20th among hitters in MLB in home runs, and 19th in RBI.
  • Jose Altuve is slashing .243/.329/.379 this season for the Astros.
  • Altuve enters this game on a two-game hitting streak. In his last five games he is batting .211 with two doubles and an RBI.
  • Isaac Paredes has 32 hits and an OBP of .354 to go with a slugging percentage of .384 this season.

Astros pitching rankings

  • The Astros average 9.2 strikeouts per nine innings as a pitching staff, sixth-most in the majors.
  • Houston pitchers have a combined ERA of 5.57 ERA this year, which ranks 30th in MLB.
  • The Astros have a combined 1.593 WHIP as a pitching staff, highest in MLB.
  • The Astros have allowed the third-most home runs this season with 53, or 1.3 per game.
  • Last time out, Houston fell to the Reds 3-1. Its pitchers compiled seven strikeouts and five hits allowed.
Author Profile
BetDecider Team

The BetDecider team brings you the most current sports betting content, with expert insights and tips. Our aim is that you can make an informed betting decision, including best odds and exclusive sportsbook offers, to maximize your betting experience.

Ryan Knuppel

Knup Solutions [molongui_author_name]

About Ryan Knuppel

Ryan has been one of the leading sports business & iGaming professionals for over 15 years. He started as a freelance writer and now operates one of the top sports content agencies around, Knup Solutions. He has literally written 10,000 plus sports and betting related articles across the web.

 

Sports Network:

sports20.com, usawager.com, knupsports.com, baseballspotlight.com, basketballarticles.com, betdecider.com, njsportsbookreview.com, dunkelindex.com, sportspub.com, oddschoice.com

 

Betting Guide

How Money Line Works?

Moneyline betting is by far the easiest way to place a sports wager. There are no point spreads to parse, no garbage-time free throws to ruin your betting day, and no last-minute meaningless touchdowns to take you from a winner to a loser.

How to Bet Odds

When we, as sports fans, learned our multiplication tables, we aced the number 7. Seven, 14, 21, 28, 35, 42 were easy because we all watched football on the weekends. Multiplication by sevens, then add a three, a six after a missed PAT.

How to Bet on NFL Games

Baseball is America’s pastime, but football is America’s crazed passion, with its weekly schedule of games, millions of television viewers across the country and the world, and the billion-dollar stadiums that serve as Sunday cathedrals in 32 American cities.

What is the Spread?

If you are a golfer or have ever played on a bowling team, think of a point spread like a handicap. It is a way for two teams of differing abilities to play each other on equal footing.  The better team, and the favorite in the game, gives a certain amount …