by Greg Heakes LOS ANGELES, United States (AFP) — San Antonio Spurs star power forward Tim Duncan, one of the best players in NBA history, announced his retirement Monday, ending a brilliant 19-season career that included five league titles. The 40-year-old Duncan, who was selected as the first overall pick in the 1997 NBA draft, spent his entire career with the Spurs — an anomaly in a league where players often change teams. The Spurs […]