BALTIMORE ORIOLES — Optioned 2B Jahmai Jones to Norfolk (Triple-A East). Recalled RHP Dusten Knight from Norfolk.
HOUSTON ASTROS — Sent RHP Tyler Ivey to FCL Astros (Florida Complex League) on a rehab assignment. Reinstated C Jason Castro from the 10-day IL. Optioned C Garrett Stubbs to Sugar Land (Triple-A West).
KANSAS CITY ROYALS — Placed RHP Brady Singer on the 10-day IL. Selected the contract of RHP Jon Heasley from Northwest Arkansas (Double-A Central) and agreed to terms on a major league contract.
MINNESOTA TWINS — Reinstated OF Brent Rooker from the paternity list. Selected the contract of RHP Nick Vincent from St. Paul (Triple-A East) and agreed to terms on a major league contract. Sent C Mitch Garver to St. Paul on a rehab assignment. Optioned LHP Andrew Albers to St. Paul.