BASEBALL

American League

BOSTON RED SOX — Agreed to terms with RHP Junichi Tazawa on a one-year contract.

DETROIT TIGERS — Agreed to terms with OF Justin Upton on a six-year contract.

National League

COLORADO ROCKIES — Agreed to terms with OF Gerardo Parra on a three-year contract.

MIAMI MARLINS — Assigned RHP Andre Rienzo outright to New Orleans (PCL).

PITTSBURGH PIRATES — Designated RHP Yoervis Medina for assignment.