BALTIMORE ORIOLES — Claimed RHP Joey Krehbiel off waivers from Tampa Bay. Designated RHP Manny Barreda for assignment. Sent RHP Dusten Knight off waivers to Norfolk (Triple-A East). Sent LHP Bruce Zimmermann to Norfolk on a rehab assignment. Selected the contract of RHP Cesar Valdez from Norfolk and agreed to terms on a major league contract. Placed OF D.J. Stewart on the 60-day IL.
CHICAGO WHITE SOX — Reinstated OF Adam Engel from the 10-day IL. Optioned INF Romy Gonzalez to Charlotte (Triple-A East).