Cooper Hjerpe: Breaking News, Rumors & Highlights

Features

The St. Louis Cardinals recalled right-hander Hancel Rincón from Triple-A Memphis on Friday, giving the 24-year-old another look in the big-league bullpen for the final weekend of the regular season, via the MLB transaction log.

St. Louis Cardinals News / St. Louis Cardinals on SI / September 24

Cardinals Demote Cooper Hjerpe in Surprise Move With 3 Games Left

The St. Louis Cardinals have just three games left in the 2026 Major League Baseball regular season, and yet they're still tinkering with the back of the roster.

St. Louis Cardinals News / St. Louis Cardinals on SI / September 7

Cardinals Set Expectations For Cooper Hjerpe After Impressive Debut

With injuries piling up down the stretch, the St. Louis Cardinals turned to 25-year-old Cooper Hjerpe in the bullpen, and his debut on Sunday couldn't have gone better.

Tampa Bay Rays News / Yardbarker Quizzes

The 'ALCS MVPs' quiz

MLB has been awarding the American League Championship Series MVP Award since the 1980 season. How many of the winners in that time can you name in six minutes?

The '2026 MLB Opening Day starters' quiz

The 'MLB K-leaders by league' quiz

The 'MLB K leaders since 1995' quiz

Seattle Mariners News / Lookout Landing / September 7

Mariners News, 9-7-2026: Cooper Hjerpe, Elly De La Cruz, and Shohei Ohtani

A very merry “Mariners won yesterday” to all, and to all a “they can’t lose today” this night. Oh, and happy Labor Day! In Mariners news: The Mariners have called up IF Michael Arroyo, only the 35th Colombian-born player in the MLB.

Athletics News / Yardbarker

25 things we learned from the 2026 MLB season

The 2026 MLB season was full of great performances, breakout stars, and incredible feats. These are the 25 things we learned along the way.

St. Louis Cardinals News / St. Louis Cardinals on SI / September 7

Move Over Max Scherzer: Cooper Hjerpe's Perfect Cardinals Debut Makes History

As injuries piled up in the St. Louis Cardinals' starting rotation, a handful of hurlers popped up as potential fits to be promoted to help to minimize the workload.

MLB News / Purple Row / September 6

Rockies score early and late, get stymied by Cooper Hjerpe in the middle, and lose to Cardinals 10-8

The Rockies scored early and late, but ran into a buzzsaw of Cooper Hjerpe making his MLB debut in the middle. Kyle Leahy was chased after 2.2 innings, but it didn’t matter.

St. Louis Cardinals News / Field Level Media / September 6

Cardinals storm past Rockies thanks to big inning, Cooper Hjerpe's debut

Nolan Gorman homered to cap a six-run fifth inning, Cooper Hjerpe struck out six in four spotless innings in his major league debut and the St. Louis Cardinals beat the Colorado Rockies 10-8 on Sunday in Denver.

St. Louis Cardinals News / MLB Trade Rumors / September 6

Cardinals Recall Cooper Hjerpe For MLB Debut

The Cardinals have called up left-handed pitching prospect Cooper Hjerpe from Triple-A Memphis, the team announced. They sent righty Hancel Rincón to Memphis in a corresponding move.

St. Louis Cardinals News / St. Louis Cardinals on SI / September 5

Cooper Hjerpe Watch Takes a Turn for Pitching-Needy Cardinals

The St. Louis Cardinals have been thin in the pitching department over the last few weeks. This has led to a wide range of chatter about potential options who could help in the majors.

St. Louis Cardinals News / St. Louis Cardinals on SI / September 2

Cardinals Triple-A Standout Is Knocking on the MLB Door

The St. Louis Cardinals have been clearly thin in the starting rotation over the last few weeks. Hunter Dobbins and Andre Pallante are on the Injured List.

Athletics News / Yardbarker

25 records that were broken during the 2026 MLB season

The 2026 MLB season was historic in many ways. These 25 records were broken during the season.

St. Louis Cardinals News / St. Louis Cardinals on SI / August 25

Is This Former 1st-Rnd Pitcher Destined To Make Cardinals Debut Thursday?

The St. Louis Cardinals are in a bad way, injury-wise. Before Tuesday’s news even sent Masyn Winn to the injured list, the Cardinals rotation was short

St. Louis Cardinals News / St. Louis Cardinals on SI / March 10

Cardinals 1st-Round Pick Under Pressure After Being Shipped to Minors

Spring training roster cuts were in order for the St. Louis Cardinals on Monday, and though none were surprises, they showed which of the team's young players still had a long way to go.