Nationals general manager Jim Bowden and team president Stan Kasten were not available for comment.
For the past two years, Washington's Triple-A affiliate was Columbus, but according to published reports, the Clippers will be doing business with the Indians.
Columbus went 69-73 under manager Tim Foli this season. In 2005-06, the Nationals were affiliated with New Orleans.
Bill Ladson is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.