Cardinals vs Pirates Prediction 20 May 2026
📡 St. Louis claimed the opening game of the series with a 9-6 win, showing the resilience of a team that refuses to break under pressure. After surrendering their lead and allowing Pittsburgh to claw back, the Cardinals still managed to deliver the decisive blow in extra innings. The prediction for a Cardinals victory is based on their stronger current form, home-field advantage, and the more reliable start expected from Michael McGreevy.
Head-to-Head
📊 St. Louis have come out on top in seven of their last ten head-to-head meetings. Cardinals’ wins: 9-6, 10-5, 5-4, 11-7, 4-2, 4-1, 7-6. Pirates’ victories: 2-1, 8-3, 5-0. Totals-wise, six games have gone over, while four have stayed under. When considering a bet on the home side, it’s not just about the scoreline-St. Louis have consistently edged the late innings and capitalized on power hitting in key moments.
Head-to-head statistics Cardinals - Pirates

St. Louis Cardinals Team Overview
The Cardinals head into the game with a 28-19 record and solid momentum, having gone 6-4 over their last 10 outings. The opening clash of the series was an emotional boost for the team: four home runs, a comeback after a tough finish, and Ivan Herrera’s game-winning hit in the 10th inning. Wins like these don’t just improve the standings-they also strengthen the lineup’s belief that they can grind out victories even when the pitching isn’t flawless. Back at home, St. Louis should look to set the tempo once again.
Match Results: St. Louis Cardinals

Pittsburgh Pirates Team Overview
Pittsburgh are hovering around an even record, but recent days have been tough: the team have dropped four straight and once again let a game slip away after clawing back into contention. The Pirates' offense isn’t lacking-they’ve got pace, power, and the ability to string together rallies, as we saw in the series opener. Still, the issue remains that even after mounting a comeback, they failed to close out the game. Facing hosts who are in strong form, that kind of scenario can take a psychological toll on the road.
Match Results: Pittsburgh Pirates
⚾ Starting Pitchers
Michael McGreevy gets the nod for St. Louis, coming in with a 2.12 ERA. After a high-scoring opener, the Cardinals have a reliable presence on the mound-McGreevy’s right arm offers a chance to restore order and keep the game from turning into another offensive shootout. For St. Louis, it’s crucial that he limits early walks and denies Pittsburgh any momentum, preventing the Pirates from building on yesterday’s comeback.
Carmen Mlodzinski will start for Pittsburgh with a 5.29 ERA. His numbers suggest a far riskier profile-posting that kind of ERA makes it tough to expect a smooth outing on the road, especially against a lineup that just put up nine runs and is riding a wave of confidence. If Mlodzinski can’t get through the opening innings unscathed, St. Louis could quickly put the Pirates back on their heels and force them to play catch-up once again.
⭐ Editor’s Prediction
St. Louis appear to be the more logical pick in this particular matchup. The Cardinals already claimed the opening game of the series, showcasing grit, resilience, and a clutch late-game performance. They now hand the ball to a starter with a stronger current ERA. Pittsburgh have shown some fight at the plate and aren’t completely out of sorts offensively, but four straight losses and yesterday’s blown lead are weighing heavily on the club. Mlodzinski, with an ERA north of 5.00, will need to handle a lively Cardinals lineup from the outset-otherwise, the game could quickly settle into a rhythm that suits St. Louis. McGreevy doesn’t need to completely shut down the Pirates; five or six competitive innings and handing a lead to the bullpen should be enough. All things considered, we’re backing a St. Louis Cardinals win.
