"Estrada fills Boston's biggest immediate need, a flame-throwing righty to pair with Aroldis Chapman to help Alex Cora navigate late-game situations with more confidence," wrote Landers.

The Boston Red Sox ended the first half of the season on a ten-game win streak heading into the All-Star break, and now hold the third Wild Card playoff spot.

"Josh Naylor has been one of the more underrated first baseman in baseball for a while, but in his first season in the desert, he has been able to shine," Dorsey wrote.