Today, “The All-Prospects Traded Away By The Yankees During Their Stupid Years Team, or Why Brian Cashman Doesn’t Want to Deal Phillip Hughes”:

C Mike Heath or Don Slaught
1B Fred McGriff
2B Damaso Garcia
SS Greg Gagne
OF Willie McGee
OF Jay Buhner
OF Hal Morris or Otis Nixon or Dan Pasqua or Stan Javier or…
SP Jose Rijo
SP Doug Drabek
SP Bob Tewksbury
SP Al Leiter
SP Scott McGregor
RP Jay Howell

As far as I can tell, they never traded away a third baseman of note, but it wasn’t for lack of trying.