The Washington Post
Astros: Activated slugger Yordan Álvarez from the 10-day injured list.
Diamondbacks: Designated LHP Dallas Keuchel for assignment.
Diamondbacks: Signed free agent RHP Trevor Rosenthal to a one-year, $4.5 million contract.
Rangers: Placed RHP Elieser Hernández (undisclosed) on the IL.
Orioles: Reached an agreement, pending a physical, with No. 1 overall draft pick Jackson Holliday for $8.19 million, a record for a high school player.
Rangers: Recalled IF Ezequiel Durán from Class AAA Round Rock and sold the contract of OF Zach Reks to the Lotte Giants of the Korea Baseball Organization.