In NBA basketball, the term Twin Towers refers to the duo of David Robinson and Tim Duncan. The 7'1" Robinson and the 6'11" Duncan played on the frontcourt of the San Antonio Spurs from 1997 through 2003. Both players were selected first overall by the Spurs in the NBA draft; Robinson was selected in 1987 and Duncan was selected in 1997. Robinson and Duncan spent their entire careers with the Spurs, and they played together from 1997 to 2003. The Twin Towers are known for their scoring, for their stifling defense, and for helping lead the Spurs to NBA championships in 1999 and 2003.