Prince Fielder went 3 for 3 with a standup triple and Young raised his exhibition batting average to .519.
Matt Holliday homered for the Cardinals.
Andy Oliver threw two more scoreless innings for the Tigers. He hasn't allowed an earned run in nine innings this spring and is competing for the fifth spot in the rotation.
Cardinals starter Jaime Garcia allowed four earned runs in 4 1-3 innings and walked three.
Link to boxscore: Detroit 10, St. Louis 3