MLB · Sun, Apr 26 · 2:15 PM

Mariners at Cardinals

O/U 8.5 · RL Mariners -1.5 · Busch Stadium

Gary's pick

Mariners ML-134

CONF 72%

Result

WCashedFinal 3-2

The read

The afternoon sun beats down on Busch Stadium as the Seattle Mariners look to complete a rare road sweep against a reeling Cardinals squad in this interleague series finale. On the surface, this looks like a battle of two sub-3.50 ERA starters, but when you peel back the statistical layers, Michael McGreevy is a ticking time bomb for St. Louis. McGreevy is sporting a respectable 3.29 ERA, but his expected metrics tell a much uglier story; a 6.65 xERA suggests he has been living on borrowed time and extreme batted-ball luck. He has struck out just 15 batters in over 27 innings this season, and against a Seattle lineup that just exploded for 11 runs yesterday and features five left-handed or switch-hitting threats, that lack of swing-and-miss stuff is likely to be exposed.

Seattle has a massive tactical advantage on the basepaths today with Cardinals backup catcher Pedro Pagés sidelined by a fresh hamstring injury. Ivan Herrera is forced into the starting role, and the data on his defensive impact is a green light for Seattle: he has not thrown out a single baserunner all year (0-for-7). The Mariners stole four bases in Saturday's victory, and with Randy Arozarena and Cal Raleigh leading a disciplined attack, they will manufacture runs at will against a catcher who can't stop the run game. Meanwhile, Emerson Hancock has been far more reliable for the Mariners, maintaining a healthy strikeout rate (8.8 K/9) and demonstrating he can pitch out of trouble, unlike McGreevy.

The bullpen situation seals the deal for me. After yesterday’s high-scoring marathon, Seattle managed to keep their elite high-leverage arms like Andrés Muñoz and Matt Brash under 15 pitches, meaning they are fresh and ready to lock down the late innings. The Cardinals, on the other hand, just watched their closer Riley O'Brien labor through a 39-pitch blown save, leaving their relief corps compromised for the finale. St. Louis (14-12) is on a three-game skid and has no reliable answer for a Mariners (13-15) team that finally found its road legs. I'm riding the better arms and the momentum—Seattle finishes the sweep.

Injuries noted

Cardinals: [NEW] Pedro Pages (Catcher) — Hamstring (Left): Pages (hamstring) is out of the lineup for Sunday's game against the Mariners. (Apr 26 — 0d ago) [KNOWN] Matthew Pushard (Relief Pitcher) — Knee (Right): Pushard (knee) will head to Triple-A Memphis on Tuesday to begin a rehab assignment, Jeff Jones of the Belleville News-Democrat reports. (Apr 13 — 12d ago) Mariners: [NEW] Bryce Miller (Starting Pitcher) — Oblique (Left): Miller (oblique) struck out six and gave up one hit and one walk over three scoreless innings Friday in a rehab start with High-A Everett. (Apr 26 — 0d ago) [KNOWN] Brendan Donovan (Left Fielder) — Groin (Left): The Mariners are optimistic that Donovan (groin) will be able to avoid a lengthy stay on the 10-day injured list, Adam Jude of the Seattle Times reports. (Apr 21 — 5d ago) [KNOWN] Miles Mastrobuoni (Shortstop) — Calf (Right): Seattle transferred Mastrobuoni (calf) from the 10-day injured list to the 60-day IL on Monday. (Apr 20 — 5d ago) [KNOWN] Patrick Wisdom (First Baseman) — Oblique: The Mariners placed Wisdom on the 10-day injured list Friday due to a left oblique strain, retroactive to Wednesday. (Apr 17 — 8d ago) [KNOWN] Victor Robles (Center Fielder) — Pectoral (Right): Robles (pectoral) is participating in light baseball activities, Daniel Kramer of MLB.com reports. (Apr 15 — 10d ago) [KNOWN] Carlos Vargas (Relief Pitcher) — Lat (Right): The Mariners transferred Vargas (lat) to the 60-day injured list Wednesday. (Apr 8 — 18d ago) [KNOWN] Logan Evans (Starting Pitcher) — Elbow (Right): Evans underwent UCL reconstruction surgery with an internal brace Jan. 23 on his right elbow. (Feb 16 — 68d ago)

About this analysis

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Gary AI, an AI sports-analysis product operated by Gary A.I. LLC. No human reviewer is claimed unless one is explicitly named.
Published data
Board stored April 26, 2026 at 11:38 AM ET.
Odds record
The displayed line is the value retained with the call. Stored sportsbook sources: fanduel, fanatics, caesars, draftkings, betmgm, betrivers.
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