Pirates aim to rebound in St. Louis as Lake Bachar takes the mound against Kyle Leahy

The Pittsburgh Pirates will look to level their three-game road set with the St. Louis Cardinals on Sunday, after they dropped the series opener at Busch Stadium. The matchup spotlights a key pitching duel between Pirates starter Lake Bachar and Cardinals starter Kyle Leahy, a pairing that will shape how each team attacks the middle innings and manages late-inning leverage.

The Pirates’ immediate objective is straightforward: win the game, avoid falling further behind in the set, and reestablish the rhythm they lost when they came up short in the opener. The change from opener to second game often matters in MLB because managers tighten bullpen usage, scouting tendencies become clearer, and the second start of a series can dictate who gets to set the tone.

For Pittsburgh, the contest against St. Louis is also about sustaining continuity in its rotation approach. A starter-to-starter comparison is often more than a name on a lineup card because it determines how long the teams can keep their most reliable relief arms available for the back half of the game. With Bachar named for the start, the Pirates will be watching for whether he can command his pitches through the order and limit damage as the Cardinals move from early swings to more selective at-bats.

St. Louis, meanwhile, is set to counter with Kyle Leahy. The Cardinals will have a similar focus on execution, especially with how they sequence at-bats against a particular right-handed or left-handed look (depending on the pitchers’ handedness) and how they translate early contact into extra-base opportunities later. In a home series, St. Louis also benefits from the ability to shorten the margin for error, pushing for timely offense once the starter hands over to the bullpen.

Busch Stadium tends to reward teams that can capitalize on count advantages and keep rallies alive, even when the first two or three plate appearances of an inning do not produce immediate results. The second game of a series often turns into a chess match over pitch counts, strike-throwing patterns, and the timing of bullpen matchups, particularly once one team sees a clear advantage in a specific hitter-versus-pitcher matchup.

Because the available reporting identifies the pitching matchup and the opener result but does not provide game-time statistical context, specifics such as how either starter has performed lately, how the bullpens have been used, or which exact lineup each club will deploy are not confirmed here. What is clear is that Bachar versus Leahy is the centerpiece, and it gives both teams a chance to control tempo after the opener’s outcome.

Looking ahead, the winner of this game will not only shape the immediate series result, but also affect the practical bullpen planning for the final contest. If the Pirates can back up their bounce-back intent with a road win, they gain a measure of momentum for the rubber-game swing, while the Cardinals will aim to hold serve at home and put pressure on Pittsburgh in the series finale.