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2025-09-10 Cardinals at Mariners Matchup Preview

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The St. Louis Cardinals and Seattle Mariners face off in what promises to be a tight contest with both teams looking to secure a crucial win.

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Pitching Matchup

Michael McGreevy is set to take the mound for the Cardinals, while the Mariners will counter with Carson Seymour. McGreevy's effectiveness stems from a diverse mix of pitches that he commands with precision. Scouts note his ability to change speeds effectively, keeping hitters off balance. His fastball velocity is average, but he compensates with exceptional movement and pinpoint control, allowing him to paint the corners and induce weak contact. Against right-handed hitters, McGreevy favors a sinker that generates ground balls, while his changeup proves effective against lefties. Seymour, on the other hand, relies more on raw power, boasting a fastball that consistently clocks in the upper 90s. His slider is a plus pitch, featuring late break and sharp downward movement, making it difficult for hitters to square up. However, Seymour's command can be inconsistent at times, leading to elevated pitch counts and walks. His secondary pitches, including a curveball and changeup, are still developing, and he tends to rely heavily on his fastball-slider combination. The key for Seymour will be harnessing his velocity and tightening his command to navigate the Cardinals' lineup effectively.

Cardinals Hitting Analysis

The St. Louis Cardinals' offense this season has shown a solid ability to get on base and create scoring opportunities. Their team weighted on-base average is .317, suggesting they are adept at reaching base via hits, walks, and hit-by-pitches. When facing pitchers like Carson Seymour who rely heavily on velocity and a hard slider, the Cardinals' approach will be crucial. The Cardinals' lineup features a mix of veterans and young talent, capable of both power and contact. The Cardinals as a team are a very patient team and they don't swing at pitches outside the strike zone often, which can pose a challenge to Seymour, who sometimes struggles with command. Furthermore, the Cardinals' above-average team walk percentage of 8.9% indicates they are disciplined at the plate and willing to wait for their pitch. This patience could frustrate Seymour and lead to more favorable counts for the hitters. Ultimately, the Cardinals' success against Seymour will depend on their ability to stay disciplined, make good contact, and capitalize on any mistakes he makes.

Mariners Hitting Analysis

The Seattle Mariners' offense brings to the table a balanced approach that combines power and speed. Their team weighted on-base average of .312 shows a respectable level of consistency in getting runners on base. Facing Michael McGreevy, who is known for his control and ability to induce weak contact, the Mariners will need to adjust their approach. The Mariners team strikeout percentage of 21.8% indicates they are not overly prone to strikeouts, which will be important against McGreevy, who thrives on generating soft contact. Their lineup includes players with a knack for hitting breaking balls, which could be advantageous against McGreevy, who frequently utilizes his curveball and changeup to keep hitters off balance. The Mariners as a team will likely focus on working deep counts and forcing McGreevy to throw strikes, as his effectiveness diminishes when he falls behind in the count. The team is more aggressive when it comes to baserunning, so putting runners in motion might be a way to keep the Cardinals' defense on its toes and disrupt McGreevy's rhythm.

Defensive Comparison

Defensively, both the Cardinals and the Mariners have demonstrated competence throughout the season. The Cardinals' defensive efficiency, measuring the percentage of batted balls turned into outs, is slightly above average, suggesting a reliable infield and outfield. Their outfield coverage is generally solid, with good range and accurate throwing arms. The Cardinals have also committed a relatively low number of errors, indicating a disciplined and fundamentally sound defense. The Mariners' defensive efficiency is comparable to the Cardinals', indicating a similarly capable defense. Their infield features sure-handed defenders, capable of making difficult plays, while their outfield boasts speed and athleticism, allowing them to cover significant ground. The Mariners also prioritize defensive positioning, utilizing advanced analytics to optimize their alignment based on the opposing hitter's tendencies. While both teams are defensively sound, small margins could prove decisive in a close game. A timely double play or a diving catch could swing the momentum and potentially alter the outcome.

Prediction

Given the pitching matchup and the hitting tendencies of both teams, this game is expected to be a closely contested affair. McGreevy's ability to limit hard contact and Seymour's potential to dominate with his velocity will be key factors. The Cardinals' disciplined approach at the plate could frustrate Seymour, while the Mariners' aggressive baserunning could put pressure on the Cardinals' defense. Ultimately, the Cardinals' ability to manufacture runs and capitalize on any mistakes made by the Mariners will give them a slight edge. Cardinals 5 Mariners 4