Quinn Mathews, the Cardinals' Minor League Pitcher of the Year in 2024 when he struck out 202 hitters, will start for the Cardinals on Saturday in Toronto. Mathews got the promotion after going 4-0 with a 1.

It’s been years since the Cardinals had a starting pitching prospect arrive with as much anticipation as left-hander Quinn Mathews, who will make his Major League debut on Saturday against the Blue Jays at Rogers Centre.

Quinn Mathews is dominating at Triple-A, but the Cardinals appear to be taking a patient approach with their highly regarded left-hander.

The St. Louis Cardinals are promoting number seven prospect, Quinn Mathews, for his MLB debut against the Toronto Blue Jays.

There isn't as much direct incentive for teams to promote top prospects right now, but with big names on the move and opportunities opening up, the deadline nonetheless tends to be one of those periods when we see teams promoting top prospects,

Locked On Cardinals recaps the Cubs series, trade rumors, Quinn Mathews' debut, and St. Louis' offense struggles as the MLB trade deadline approaches.

The Toronto Blue Jays have likely been Major League Baseball’s unluckiest team when it comes to injury in 2026, and this, along with their immense inconsistency throughout the season has led them to last place in the American League East.