Cooper Hjerpe, making his pro debut for the St. Louis Cardinals, pitched 4 innings against the Colorado Rockies, striking out 6 batters while allowing no hits or walks, earning the win in a 10-8 victory.
Insight
Hjerpe, a left-handed starting pitcher for the St. Louis Cardinals, made his MLB debut on September 6, 2026. In this appearance against the Colorado Rockies, he pitched 4 innings, striking out 6 batters and allowing no earned runs. He secured the win in the Cardinals' 10-8 victory.
Stay Updated
Get more MLB player news, recaps, and predictions in your inbox
Subscribe to the Knup newsletter for MLB coverage, sports business notes, and ecosystem updates.