Another Oakland Athletics prospect is slated to make his major league debut later this week. A’s manager Mark Kotsay confirmed Monday that right-hander Joey Estes will make his major league debut Wednesday against the Seattle Mariners.
Mark Kotsay confirms Joey Estes will join the A’s and start on Wednesday.
— Martín Gallegos (@MartinJGallegos) September 18, 2023
Estes is Oakland’s 13th best prospect according to MLB Pipeline. Estes was acquired from the Atlanta Braves in the Matt Olson trade. He put up a 4.