The St. Louis Cardinals welcome the Pittsburgh Pirates to Busch Stadium on Saturday, August 29, 2026, for a 2:15 PM ET first pitch. Kyle Leahy gets the ball for St. Louis against Pittsburgh's Lake Bachar in what shapes up as an intriguing pitching matchup between two arms still carving out their places in the rotation. With the regular season in its final stretch, every game in this division series carries weight, and the Cardinals will be looking to take care of business in front of their home crowd.

Cardinals vs. Pirates Starting Pitchers: Leahy vs. Bachar

Kyle Leahy draws the Saturday assignment for St. Louis. Leahy's command and ability to work efficiently through a Pirates lineup that carries legitimate offensive threats will be the central storyline on the mound. Pittsburgh counters with Lake Bachar, who will be tasked with navigating a Cardinals order that has some pop in the middle of the lineup. Neither pitcher has widely available season-long numbers in the data available for this game, so what happens on the field Saturday will do the talking.

Cardinals Starting Lineup at Busch Stadium

• JJ Wetherholt, SS
• Iván Herrera, DH
• Alec Burleson, 1B
• Jordan Walker, RF
• Nathan Church, CF
• José Fermín, 2B
• Nolan Gorman, 3B
• Joshua Báez, LF
• Jimmy Crooks, C

Pirates Starting Lineup

• Spencer Horwitz, 1B
• Brandon Lowe, 2B
• Bryan Reynolds, LF
• Nick Gonzales, DH
• Oneil Cruz, CF
• Jake Mangum, RF
• Rafael Flores Jr., C
• Jacob Gonzalez, SS
• Jared Triolo, 3B

Keys to Watch in Cardinals-Pirates

Jordan Walker and the Middle of the Order

The Cardinals lineup sets up with legitimate run-producing potential from spots three through five. Jordan Walker batting cleanup in right field is a player this offense can run through. How Bachar approaches Walker — and whether Walker punishes any mistakes in the zone — could define the offensive output for St. Louis on Saturday.

Oneil Cruz as a Danger in the Pittsburgh Order

Pittsburgh's lineup isn't without its own firepower. Oneil Cruz batting fifth in center field is a legitimate threat at the plate and on the bases. Leahy will need to be disciplined when Cruz comes to the dish, because one mistake to that bat can change the complexion of an inning in a hurry.

Bryan Reynolds as the Anchor

Reynolds batting third anchors Pittsburgh's offense. He's the kind of consistent professional hitter who can go the other way, work counts, and put together quality at-bats regardless of who is pitching. Leahy's plan against Reynolds will be worth watching from the first inning on.

JJ Wetherholt Setting the Table

The Cardinals have rookie shortstop JJ Wetherholt leading off, with Iván Herrera hitting second in the DH spot. Getting Wetherholt on base and creating early pressure on Bachar is the blueprint for this St. Louis lineup to generate offense and put runs on the board at Busch Stadium.

Prediction: Cardinals Win a Close One

This feels like a tight, low-scoring afternoon game — the kind where pitching and a big swing or two decide things. Leahy gets enough from his defense, Walker delivers a key hit in the middle innings, and the Cardinals find a way to take this one at home. Cardinals 4, Pirates 2. Catch it on KMOX 1120 AM/104.1 FM or Cardinals.TV Presented by bet365.