It will be the first DL stint of the season for Punto, who also missed a handful of games in May with a left calf strain.
His replacement is likely to be either Andy Parrino or Nate Freiman, who was scratched from Triple-A Sacramento's lineup on Saturday -- an indicator that he may very well already be heading back to Oakland.
Jane Lee is a reporter for MLB.com. Read her blog, Major Lee-ague, and follow her on Twitter @JaneMLB. This story was not subject to the approval of Major League Baseball or its clubs.