BALTIMORE ORIOLES — Optioned RHPs Branden Kline and Tom Eshelman to Norfolk (IL). Designated RHP Matt Wotherspoon for assignment. Selected the contract of RHP Asher Wojciechowski from Norfolk. Reinstated RHP Josh Lucas from the 10-day IL. Signed Cs Ricardo Rivera and Kenny Báez; OFs Luis González, Dax Stubbs, Luis De La Cruz and Jesús Alvarado; LHPs Luis Ortiz, Moisés Salas, José Ramírez, Johán Berroa and Adrion Lacle; SSs Leonel Sánchez, Robert Martínez, Rolphy Cruz, Anderson Rogers, Erinson Placencia and César Aguasvivas; and RHP Moisés Chace, Raúl Rangel, Charbel Abboud, Harol Arias, Erick Caines, Francisco Crispín, César Álvarez, Edgar Portes, Randy Berigüete and Alejandro Méndez to minor league contracts.
BOSTON RED SOX — Designated C Óscar Hernández for assignment. Selected the contract of RHP Trevor Kelley from Pawtucket (IL).
DETROIT TIGERS — Reinstated SS Jordy Mercer from the 10-day IL.
HOUSTON ASTROS — Optioned LHP Reymin Guduan to Round Rock (PCL). Signed OF Jordan Brewer to a minor league contract.