Cardinals Look to Build Momentum Behind Kyle Leahy as Pirates Turn to Bullpen Game

The St. Louis Cardinals are finally staring at the right side of the ledger. After grinding out a 4-1 victory in Friday night's series opener, the Redbirds sit at 68-68, dead even, with a chance to push above .500 on Saturday afternoon at Busch Stadium. The stakes are clear: with the calendar flipping to September in a matter of days, every series is a referendum on the postseason.[4][5]

On the other side of the diamond, the Pittsburgh Pirates are searching for a pulse. The Buccos have dropped 10 of their last 13 games on the road, watching their record slide to 65-71. More concerning is the offensive power outage—Pittsburgh has managed a meager five runs over its last four contests, failing to score more than a single run in three straight games.[4][7]

To stop the bleeding, Pirates manager Derek Shelton is turning to a bullpen game, handing the ball to right-hander Lake Bachar as the opener. Bachar brings a 3.70 ERA and a solid 9.2 strikeouts per nine innings into his seventh start of the year, but he has yet to record a quality start or pitch beyond the second inning in this role.[3][6]

The Cardinals, meanwhile, are sending out their August ace. Kyle Leahy takes the mound carrying a 10-4 record and a sparkling 3.13 ERA over 126 1/3 innings. The 29-year-old right-hander has been virtually untouchable this month, posting a 3-0 record with a microscopic 1.42 ERA across four August starts.[1][2]

Leahy’s success stems from a deep, six-pitch mix and improved command. He boasts a 21.7 percent strikeout rate and a stingy 7.0 percent walk rate, allowing him to navigate traffic and keep hitters off balance. In his last outing, a relief appearance against the Philadelphia Phillies, he tossed four scoreless frames.[3][6]

But if there is a ghost in the machine for Leahy, it wears a Pirates uniform and stands six-foot-seven. Oneil Cruz has been an absolute nightmare for the Cardinals' right-hander. In his career against Leahy, Cruz is 2-for-6 with a towering 414-foot home run and a staggering 1.262 OPS.[1][2]

The underlying metrics explain the mismatch. Leahy relies heavily on his 94.2 mph four-seam fastball, throwing it over 26 percent of the time. Cruz, however, feasts on that exact pitch, carrying a .529 expected slugging percentage and a 67.3 percent hard-hit rate against four-seamers. How Leahy sequences his secondary offerings—particularly his sweeper—against Cruz will dictate the afternoon.[6]

Pittsburgh is desperately trying to manufacture offense around Cruz. Looking for a spark on Friday, the Pirates bumped Jared Triolo to the leadoff spot for just the fourth time this season. Triolo responded with two of the team's six hits and drove in their only run, but the lineup behind him failed to capitalize, leaving ten men on base.[4]

St. Louis is finding contributions from up and down the roster. Friday's win was fueled by rookie Quinn Mathews, who delivered 5 2/3 innings of one-run ball to secure his first major league victory. The offense provided early run support, highlighted by a two-run blast from catcher Jimmy Crooks—his fifth of the year—and a clutch RBI double from Nolan Gorman.[4][5]

The Cardinals have proven resilient in these afternoon spots, winning eight of their last nine day games following a game the previous day. Conversely, the Pirates have struggled under the sun, dropping seven of their last eight day games against National League opponents.[8]

Saturday's clash is a classic intersection of momentum and desperation. St. Louis has the starting pitching advantage and the home crowd, looking to cement their status as a legitimate wild-card threat. Pittsburgh needs its bullpen to pitch a flawless relay race while hoping its dormant bats can finally wake up against one of the league's hottest arms.[1][7]