There is no timetable on when Anderson will resume throwing off a mound, but Melvin said the team planned to discuss this upon returning home Thursday.
Should all continue to go well for the injury-plagued Anderson, the A's are hopeful he can return to the rotation as soon as August.
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.