===Oakland Athletics===On December 28, 2011, Reddick and two minor leaguers were traded by the Red Sox to the Oakland Athletics for Andrew Bailey and Ryan Sweeney.
Podobno je začel leto 2011 in v ligo MLB prišel 26. maja po poškodbi veterana, tokrat Darnella McDonalda, ki si je nategnil levo štiriglavo stegensko mišico.