**update** Pennington is in the lineup, playing third and batting ninth. DiNardo was sent to Sacramento and Brooks Conrad was designated for assignmment to make room on the 40-man for Pennington. This will be Pennington's major-league debut.**
The A's haven't put out a release yet, but Cliff Pennington is working out on the field with hitting coach Ty Van Burkleo.
Left-hander Lenny DiNardo is heading back to Sacramento, that's the word in the press box.