Kelsey Plum expected to give Mercury a big boost after blockbuster trade with Los Angeles

Kelsey Plum was 10 years old when she saw Diana Taurasi play on television, walked into the kitchen and told her mom she was going to play in the WNBA. Not only did Plum fulfill her self-proclaimed prophecy by playing in the WNBA for nine seasons, she's now on Taurasi's former te