CHICAGO WHITE SOX — Placed OF Luis Robert on the 10-day IL. Recalled INF Danny Mendick from Charlotte (Triple-A Southeast).
CHICAGO CUBS — Placed INF Nico Hoerner on the 10-day IL. Placed RHPs Jake Arrieta and Dan Winkler on the 10-day IL retroactive to May 3. Recalled LHP Kyle Ryan and RHP Keegan Thompson from Iowa (Triple-A Midwest). Selected the contract of INF Ildemaro Vargas from Iowa (Triple-A Midwest).
LOS ANGELES DODGERS — Recalled C Keibert Ruiz.
MIAMI MARLINS — Purchased the contract of LHP Rob Zastryzny from Long Island (Atlantic League).