SAN DIEGO — The San Diego Padres host the Pittsburgh Pirates at Petco Park on Wednesday, seeking to strengthen their National League wild card standing in the closing weeks of the regular season. First pitch is scheduled for the evening.

The Padres are pressing for a postseason berth in a crowded NL race, with manager Mike Shildt leaning on a lineup anchored by Fernando Tatis Jr. and Manny Machado. San Diego's rotation depth has been a focus down the stretch as the club navigates a demanding late-August schedule.

The Pirates arrived in California well out of contention, using the final weeks to evaluate younger players ahead of the offseason. Pittsburgh's chief attraction remained ace Paul Skenes, whose starts have drawn national attention throughout the season.

The outcome carries greater weight for San Diego, where each result affects a wild card margin measured in a handful of games. The Padres have emphasized the importance of holding home advantage during a stretch that includes matchups against fellow contenders.

While both clubs face roster and pitching decisions that extend beyond a single fixture, the Padres' postseason mathematics made Wednesday's contest far more consequential.