Peguero was designated for assignment by the Red Sox on Thursday to make room for newly acquired outfielder Alejandro De Aza. Peguero only got into one game with Boston before being pushed off the roster by De Aza. Once he clears waivers, he'll more than likely be sent down to Triple-A Pawtucket. He hit 30 home runs at the Triple-A level in 2014, but has failed to produce in the big leagues, compiling a .187 average with four homers over 75 at-bats for Texas and Boston this year.