Triple-A Iowa outfielder Brett Jackson was placed on the 7-day disabled list with a right calf strain.
Brett Jackson (toe) has been activated from the 7-day disabled list at Triple-A Iowa.
Cubs optioned OF Brett Jackson to Triple-A Iowa.
Brett Jackson (shoulder) is expected back in the lineup Thursday.
Brett Jackson will be sidelined for at least a week with right shoulder inflammation.
Brett Jackson is not in the lineup Friday due to some minor soreness in his right shoulder.
Brett Jackson is making a strong impression early in spring training and feels that his new swing is a major reason for his success.
Cubs manager Dale Sveum said Tuesday that Brett Jackson has completely overhauled his swing.
Brett Jackson is expected to begin next season at Triple-A Iowa.
Brett Jackson is back in the Cubs' lineup Friday.
Brett Jackson (knee) is out of the lineup for the fifth straight game Wednesday.
Brett Jackson (knee) is out of the Cubs' starting lineup again Tuesday.
Brett Jackson (knee) could return to the Cubs' lineup Tuesday.
Brett Jackson (knee) is not in Sunday's lineup and appears to be a few days away from returning to action.