The St. Louis Cardinals are scheduled to conclude their homestand against the Seattle Mariners today, Sunday, April 26, 2026. This interleague matchup features two organizations navigating the early-season landscape, looking to solidify their positions in their respective divisions.

For fans looking for immediate details, here is the essential information for today’s contest:

  • Opponent: Seattle Mariners
  • First Pitch: 2:15 PM ET (1:15 PM local time in St. Louis)
  • Venue: Busch Stadium, St. Louis, Missouri
  • Starting Pitchers: Michael McGreevy (STL) vs. Emerson Hancock (SEA)
  • Broadcast (TV): Cardinals.TV, Mariners.TV
  • Radio: KMOX 1120 AM/104.1 FM (Cardinals Radio Network)

Who is the starting pitcher for the St. Louis Cardinals today?

Michael McGreevy takes the mound for the Cardinals this afternoon. McGreevy, a former first-round selection, has been steadily carving out his role in the St. Louis rotation. Known for his exceptional command and ability to induce ground balls, McGreevy represents the archetype of a "pitch-to-contact" hurler that the Cardinals organization has historically valued.

In his recent outings, McGreevy has relied heavily on a heavy sinker that sits in the 92-94 mph range. While not a high-velocity "flamethrower" by modern standards, the late movement on his fastball often leads to weak exit velocity from opposing hitters. For today's matchup against a Seattle lineup that can be prone to strikeouts but also possesses significant power, McGreevy’s primary objective will be to keep the ball in the lower half of the strike zone.

Monitoring his efficiency will be key. If McGreevy can navigate the first three innings with a low pitch count, it allows the Cardinals' bullpen to remain fresh for the upcoming road trip. His secondary offerings, particularly a developing slider and a reliable changeup, will need to be sharp to prevent the Mariners' hitters from sitting on his sinker.

Analyzing the Mariners starting pitcher Emerson Hancock

Opposing McGreevy is Emerson Hancock of the Seattle Mariners. Hancock, much like McGreevy, carries the pedigree of a high draft pick and has dealt with the pressures of being a top-tier prospect. Hancock’s approach is slightly more aggressive, often utilizing a four-seam fastball with good ride through the top of the zone.

Hancock’s challenge today at Busch Stadium will be managing the St. Louis heat and a lineup that features several disciplined left-handed hitters. The Mariners’ right-hander typically utilizes a three-pitch mix, featuring a fastball, a changeup that is often cited as his best secondary pitch, and a sweeping slider.

The battle between Hancock and the top of the Cardinals' order—likely featuring Masyn Winn and Lars Nootbaar—will be a pivotal subplot of the game. If Hancock struggles with his command early, the Cardinals have the disciplined hitters necessary to drive up his pitch count and reach the Seattle underbelly of the bullpen by the fifth or sixth inning.

How to watch the Cardinals vs Mariners game online

With the shifting landscape of regional sports networks, fans have multiple avenues to catch the Cardinals game today. The primary television broadcast is available via Cardinals.TV. This direct-to-consumer streaming option has become the standard for local fans who have moved away from traditional cable packages.

For those outside the local blackout markets, the game is typically available on MLB.tv, allowing national viewers to follow the Redbirds. Seattle-based fans can tune in via Mariners.TV.

Radio remains a cornerstone of the St. Louis sports experience. The legendary KMOX 1120 AM provides the play-by-play coverage, featuring the familiar voices that have narrated Cardinals history for decades. The broadcast is also simulcast on 104.1 FM and accessible through the MLB app for subscribers.

The significance of this interleague series at Busch Stadium

Interleague play has undergone significant changes in recent seasons, with every team now facing every other team in MLB at least once. This series against the Seattle Mariners is a prime example of the "new look" schedule.

For the Cardinals, these games against American League West opponents are crucial for maintaining a balanced record. Historically, the Cardinals have performed well against the Mariners, boasting a high winning percentage in their head-to-head matchups since interleague play began in 1997.

Playing at Busch Stadium provides a distinct advantage. The stadium is known for its fair dimensions, though it can play as a "pitcher’s park" during the day when the humidity hasn't yet peaked. The grass surface and the consistent winds blowing in from center field often turn potential home runs into long flyouts, a factor that both McGreevy and Hancock will look to exploit.

Key players to watch in the St. Louis Cardinals lineup

The Cardinals' offensive identity in 2026 is built on a blend of youthful athleticism and veteran stability. Several players have stood out in the early weeks of the season:

  1. Masyn Winn: The dynamic shortstop has become the spark plug for the offense. His elite speed and improved plate discipline make him a constant threat once he reaches base. Watch for his range in the hole between shortstop and third base today, as he looks to take away hits from the Mariners' pull-hitters.
  2. Alec Burleson: Burleson has evolved into one of the team’s most reliable power sources. Leading the team in several offensive categories over the past season, his ability to drive the ball to all fields makes him difficult to shift against.
  3. Lars Nootbaar: A fan favorite with an elite eye at the plate. Nootbaar’s ability to draw walks and see a high volume of pitches is instrumental in tiring out starters like Hancock.
  4. Brendan Donovan: The versatile utility man continues to provide high-contact at-bats. Whether starting at second base or in the outfield, Donovan’s "pesky" hitting style often results in the multi-hit games that sustain long innings.

What to expect at Busch Stadium on game day

Attending a Sunday afternoon game at Busch Stadium is a ritual for many in the Midwest. The atmosphere is generally more family-oriented during day games, with plenty of activities in and around the stadium.

Ballpark Village, located just across Clark Avenue, serves as the central hub for pre-game and post-game festivities. Fans can expect high energy at the various restaurants and the outdoor "Live!" plaza. Inside the stadium, the view of the Gateway Arch beyond the center-field scoreboard remains one of the most iconic vistas in professional sports.

For those attending today, it is worth noting that the Cardinals frequently wear their "Sunday Alt" uniforms—the popular cream-colored jerseys with "Cardinals" in script across the chest. These jerseys are a nod to the franchise's rich history and are a staple of the Sunday home experience.

Strategic breakdown of the matchup

From a tactical perspective, the game will likely be decided by which starter can better navigate the middle of the opposing order.

The Mariners' lineup often relies on the "big fly"—home runs that can change the scoreboard instantly. However, their high-swing-and-miss rate can be their downfall. Michael McGreevy must use his sinker to keep the ball on the ground and let his elite infield defense, led by Nolan Arenado and Masyn Winn, do the work.

On the other side, the Cardinals' offense thrives on "station-to-station" baseball, emphasizing high on-base percentages and opportunistic hitting. If they can force Emerson Hancock into high-stress innings early, they can exploit a Mariners bullpen that has seen heavy usage over the first two games of this series.

Bullpen Usage: The Cardinals' bullpen depth has been a point of focus. With a day off approaching, manager Oliver Marmol will likely be aggressive in using high-leverage arms like the closer and primary setup men if the game is within two runs by the seventh inning.

St. Louis Cardinals vs Seattle Mariners historical context

While not traditional rivals, the Cardinals and Mariners have shared several notable moments. The most significant connection often comes through player transactions and the shared history of certain coaches and executives.

The Cardinals currently hold one of the highest winning percentages against the Mariners of any National League team. This dominance is particularly evident at Busch Stadium, where the Mariners have historically struggled to adapt to the National League style of play, which previously included pitchers hitting (though the universal DH has now neutralized that specific strategic difference).

Frequently asked questions about Cardinals games

What time do gates open at Busch Stadium?

For most Sunday games, gates typically open 90 minutes before the scheduled first pitch. For today's 1:15 PM local start, fans can expect to enter starting at 11:45 AM. This allows ample time to watch batting practice and explore the stadium.

Is there a clear bag policy at Busch Stadium?

Yes, the St. Louis Cardinals enforce a strict bag policy to ensure the safety and efficiency of entry. Fans are encouraged to bring clear plastic bags no larger than 12" x 12" x 6" or small clutch purses. Large backpacks and coolers are generally prohibited.

Where can I find the best parking for the game?

There are numerous parking lots and garages surrounding Busch Stadium. The Stadium Plaza Garage and the Starr Lot are popular choices, though they fill up quickly. Many fans prefer to park further north in downtown St. Louis and take a short walk or utilize a ride-share service to avoid the heaviest traffic immediately surrounding the ballpark.

How can I listen to the game if I'm driving?

The Cardinals Radio Network is anchored by KMOX 1120 AM. The signal is incredibly powerful and can often be heard across several states during the day, making it the perfect companion for fans traveling to or from the game.

Are there any promotions for today's game?

Sunday games at Busch Stadium are often "Prairie Farms Kids Sundays." Fans aged 15 and under typically receive a free promotional item, such as a jersey or a bobblehead, while supplies last. Additionally, kids are often invited to run the bases after the game, weather permitting.

Summary of today's matchup

Today’s game between the St. Louis Cardinals and the Seattle Mariners at Busch Stadium is a classic early-season test. With Michael McGreevy and Emerson Hancock on the mound, the game promises to be a battle of young arms trying to establish dominance. The Cardinals look to leverage their home-field advantage and a disciplined lineup to secure a series win, while the Mariners aim to use their power-hitting potential to spoil the Sunday festivities in St. Louis. Whether you are watching on Cardinals.TV, listening on KMOX, or sitting in the stands at 700 Clark Ave, it is a perfect day for baseball in the Gateway City.