Baltimore will call up outfielder Colton Cowser and reliever Joey Krehbiel on Friday, a source confirmed to The Baltimore Sun.

Source: https://www.bostonherald.com/2023/08/31/orioles-to-add-outfielder-colton-cowser-reliever-joey-krehbiel-to-expanded-september-roster/

Colton Cowser played in a handful of major league exhibitions last year, but 2021′s fifth overall pick figures to make more frequent appearances after finishing last year in Triple-A.

Source: https://www.bostonherald.com/2023/02/02/here-are-the-four-types-of-players-the-orioles-invited-to-spring-training/

Ranked 41st a year after appearing at No. 98, Cowser would be Holliday’s top challenger to be Baltimore’s No. 1 prospect next year and likely the only other player in the system who could reasonably make the jump to No. 1 if he’s still eligible to be.

Source: https://www.denverpost.com/2023/01/19/the-orioles-again-have-baseballs-no-1-prospect-they-could-make-it-three-in-a-row/