Original: Duncan graduated from college before entering the 1997 NBA Draft as the number one pick , and his list of accomplishments , remarkable consistency , and leadership in the Spurs ' NBA championship runs in 1999 , 2003 , 2005 , and 2007 have led basketball experts to consider him to be one of the greatest power forwards in NBA history .
Simplified: After college , the San Antonio Spurs chose him with the first pick in the 1997 NBA Draft . Duncan helped the Spurs win NBA championships in 1999 , 2003 , 2005 , and 2007 .