Cardinals vs. Diamondbacks: Michael McGreevy and Zac Gallen headline Thursday’s Game 4 at Busch

The St. Louis Cardinals will look to take a key step in their home series against the Arizona Diamondbacks when the teams meet again Thursday night. The matchup is framed as Game 4 of the set, with St. Louis trying to turn its home-field advantage into a series momentum gain.

Thursday’s pitching plan centers on a starter-vs-starter contrast. Michael McGreevy will get the ball for the Cardinals, tasked with setting the tone early and giving his team innings that can carry into the middle portion of the game. For Arizona, Zac Gallen draws the start, bringing a frontline starter’s workload profile and the ability to settle a lineup with pitch sequencing rather than relying on pure velocity.

The first pitch is scheduled for 6:45 p.m. Central at Busch Stadium. Coverage information from the game listing indicates the broadcast is available, which is relevant for fans trying to track the game without switching to national coverage.

In practical terms, Game 4 of any multi-game series often becomes less about one at-bat and more about controlling the run timeline. With both clubs sending established starters to the mound, the early innings can shape how each manager deploys the bullpen. If the starters are effective, late-inning matchups can narrow to key platoon advantages and bullpen specialization. If either starter struggles, the game’s rhythm can change quickly as teams reach deeper into their relief options.

For St. Louis, the immediate objective is straightforward: win this particular game and improve its position within the series picture. A Cardinals victory would also continue the home stretch of their schedule at Busch with a sense of completion, rather than leaving the series unresolved after dropping a prior contest. For Arizona, the corresponding goal is to prevent St. Louis from extending any swing that may be building through the set.

The most important on-field watch points Thursday are likely to include how well each starter handles the opposing lineup’s first look and second look. Even in games where the pitchers are not pulled early, managers often track the effectiveness of adjustments around the second or third time through the order. That is where a game can tilt, particularly when both teams have the patience to take pitches that do not fit a pitcher’s comfort zone.

Because this is a game discussion listing rather than a fully detailed preview, the available information is limited to the essential framework: the confirmed matchup, the announced starters, the scheduled start time, and where the broadcast is available. The next shift to watch for will be the in-game performance, especially how quickly each starter can establish command and whether either team can turn early traffic into sustained offensive pressure.

As Thursday’s game approaches, the focus will remain on the duel between McGreevy and Gallen. If McGreevy can keep Arizona’s offense off-balance while St. Louis’s bats generate timely run-scoring, the Cardinals’ push for Game 4 control could carry through the final innings. If Gallen answers with efficient innings and reduces baserunners, Arizona’s path will become more about bullpen leverage and timely hitting rather than chasing runs.