Hyzdu had been working out in Arizona in case he was needed. He
will serve as a backup outfielder for Boston, which lost Gabe
Kapler to a ruptured Achilles' tendon on Wednesday.
Hyzdu was 0-for-6 in five games for Boston earlier this season
and 3-for-20 for San Diego while spending most of his time in
Perisho appeared in one game for Boston, allowing a run and one
hit without recording an out.