The Boston Red Sox have acquired Alex Castellanos from the Los Angeles Dodgers.

Boston is sending Jeremy Hazelbaker to Los Angeles.

A 27-year-old outfielder, Castellanos, had logged 43 Major League at-bats.

The Minnesota Twins have acquired right-hander Duke Welker from the Pittsburgh Pirates.

Welker is the player to be named later in the Justin Morneau deal completed in the summer.