Kelsey Plum trade details: Sparks send All-Star guard to Mercury in WNBA blockbuster

The Los Angeles Sparks have traded All-Star guard Kelsey Plum to the Phoenix Mercury in a major WNBA deal. The blockbuster trade marks Plum's departure from Los Angeles, with Phoenix sending players or assets back in return, though specific details of the return package were not fully outlined in the excerpt. This deal represents one of the more significant player movements in recent WNBA history.