He is expected to be activated the first day he is eligible if all continues to go well. Plouffe is eligible to make his return Wednesday, when the Twins return home to host the Brewers.
"He's doing everything and feels great, so by the time we get home he should be activated," Gardenhire said. "So we'll see what we have to do then."
Rhett Bollinger is a reporter for MLB.com. Read his blog, Bollinger Beat, and follow him on Twitter @RhettBollinger. This story was not subject to the approval of Major League Baseball or its clubs.