Diana Taurasi -- widely regarded as one of the greatest female basketball players ever -- has decided she is retiring from the WNBA.
The Phoenix Mercury star broke the news with Time on Tuesday ... saying she has mentally and physically achieved her dreams during her 20-year WNBA career.
"That's probably the best way I can describe it," the 42-year-old said. "I'm full and I'm happy."
Taurasi rose to fame in the sport at UConn .