Astros vs Mariners Prediction, Picks, and Odds for Tonight’s MLB Game

JD Yonke - Betting Analyst at Covers.com
JD Yonke • Betting Analyst 7+ years betting experience
Updated: May 29, 2024 , 09:56 AM ET • 4 min read

Both the Houston Astros and the Seattle Mariners have been Under-friendly in 2024, and our MLB betting picks expect that trend to continue in a high-quality starting pitching battle on Wednesday night.

mlb

May 29 • 6:40 PM ET
Seattle Mariners MLB George Kirby
Photo By - USA TODAY Sports

The Seattle Mariners (30-26) have taken each of the first two games of the series against the Houston Astros (24-31) in low-scoring wins. 

Game 3 on Wednesday is a pick ‘em according to MLB odds, while the total is set at 7.

Will it be another disappointing offensive output in a starting pitching duel between Justin Verlander and George Kirby? Read on for my Astros vs Mariners predictions and full MLB picks for Wednesday, May 29.

Astros vs Mariners prediction

My best bet
Under 7 (-104 at FanDuel)

My analysis

Houston Astros starter Justin Verlander just keeps chugging along in his age-41 season. He’s no longer at the pinnacle of pitching greatness, but he’s remained effective with a 3.60 ERA and 3.79 xERA through seven starts. There’s undoubtedly some juice left in the tank as he ranks third in Stuff+ (122) among starting pitchers who have tossed at least 40 innings. 

He faces off with a slightly below-average Seattle Mariners lineup that ranks 21st in wRC+ (96) and 24th in wOBA (.297) in the month of May. They have the league’s highest K% (29.1%) against right-handed pitching in the last 15 days and that’s not an abnormality as their season-long K% is at 29%.

The Mariners counter with George Kirby. He’s looking for a quick rebound after allowing five earned runs in each of his last two starts. Both occurred on the road, and the Elon University product will be glad to return to T-Mobile Park, where he has a 4-1 record and 2.97 ERA. 

The 26-year-old hurler has notable home-away splits throughout his successful two-and-a-half-year career. He’s been mediocre on the road (4.12 ERA, 1.19 WHIP) but downright nasty at home (2.95 ERA, 1.00 WHIP).

I’m not overly concerned with the recent struggles. Kirby ranks in the 77th percentile in Chase%, the 74th percentile in Hard-Hit%, and the 99th percentile in BB%. He checks in at 13th in Pitching+ (106) among qualified starters led by his strong performance in Location+ (106) as a known marksman. 

His left-on-base % finished at exactly 75.1% in each of the last two years but has fallen to 68% this season, so his ERA seems due for positive regression once he begins stranding runners at his usual rate once more. 

We have two quality starting pitchers in a game where both teams have trended heavily to the Under all year, so I’ll bet on another one coming through. 

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Astros vs Mariners same-game parlay (SGP)

Under 7

Justin Verlander Over 6.5 strikeouts

Cal Raleigh Under 0.5 hits

Verlander has eclipsed the 6.5 strikeout barrier in two of his last three starts, most recently punching out nine Oakland Athletics batters across six innings. The only team with a higher K% than the As this season is the Mariners (27.9%). 

There’s struggling against an opposing pitcher and then there’s being utterly incapable of offering any resistance. Cal Raleigh has been more of the latter against Verlander in his career, going 1-for-17 with seven strikeouts and a .170 OPS. The veteran pitcher has been lights-out against lefties, holding them to a .187 BA since 2022. 

Learn how to bet a same-game parlay with these helpful tips and strategies.

Astros vs Mariners odds

Astros vs Mariners live odds

Astros vs Mariners opening odds

  • Run line: Houston +1.5 | Seattle -1.5
  • Moneyline: Houston +104 | Seattle -112
  • Over/Under: Over 7 | Under 7

Astros vs Mariners spread and Over/Under analysis

  • Seattle has won each of its last three games, including the first two of this series. Houston has dropped three of its last four games.
  • Seattle is 4-1 in Kirby’s five starts at home. Houston is 1-4 in Verlander’s last five starts overall.
  • Both teams have played to the Under this year — Houston is 21-30 O/U while Seattle is 21-31 O/U. They’ve combined to go 3-6-1 O/U in the last 10 meetings with one another.

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Astros vs Mariners trend

Seattle is 8-18-1 O/U at home while Houston is 9-16-1 O/U on the road. Find more MLB betting trends for Astros vs Mariners.

Astros vs Mariners game info

Location: T-Mobile Park, Seattle, WA
Date: Wednesday, 5-29-2024
First pitch: 9:40 p.m. ET
TV:
SCHN, RSNW
Astros starting pitcher: Justin Verlander
(3-2, 3.60 ERA)
Mariners starting pitcher: George Kirby
(4-5, 4.33 ERA)

Astros vs Mariners latest injuries

Astros vs Mariners weather

Not intended for use in MA.
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JD Yonke
Betting Analyst

JD is a diehard college football fan with five years of experience writing betting and fantasy content for publications such as SportsGrid, Fantasy Points, Fantrax, and Devy Watch. An avid reader, he uses his inclination to look at things with an exhausting and in-depth, analytic viewpoint combined with a love for statistics and metrics to form a well-rounded handicapping approach.

e's an integral member of the niche (but growing!) college fantasy football community, twice traveling to Canton, OH for the Fantasy Football Expo as a member of the CFF King's Classic drafting squad. His specialization in college football DFS and prop betting taught him that there are exploitable markets to be found and that narrowing your focus is integral to being a profitable bettor.

A lifelong Californian who grew up playing baseball, basketball, football, and lacrosse, he's glad to share a passionate love for sports with this wonderful community.

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