NBA trade grades: Who wins the Bucks-Grizzlies deal for Grayson Allen?

The Milwaukee Bucks added more shooting to their bench Friday by acquiring guard Grayson Allen from the Memphis Grizzlies in exchange for 2020 second-round pick Sam Merrill and a pair of future second-rounders.

What can Allen bring to the Bucks? And why did the Grizzlies move on from a player who started 38 games for them last season?

The deal

Bucks get: Grayson Allen

Grizzlies get: Sam Merrill, two future second-round picks