MLB Trade Rumors lists two of the Red Sox star outfielders as top trade candidates before the deadline: Jarren Duran and Wilyer Abreu. Here's the logic provided on Duran:

The Boston Red Sox and Seattle Mariners could come together on a huge trade that would benefit both teams this season.

Rosenthal wrote in his All-Star game selection predictions for The Athletic that he thinks three Red Sox players will represent the organization on July 15 in Atlanta: Starting pitcher Garrett Crochet, reliever Aroldis Chapman and outfielder Wilyer Abreu.