American League

BALTIMORE ORIOLES—Agreed to terms with RHP Randor Bierd, RHP Rocky Cherry, RHP Freddy Deza and RHP Radhames Liz on one-year contracts.

BOSTON RED SOX—Acquired RHP David Aardsma from the Chicago White Sox for RHP Willy Mota and RHP Miguel Socolovich.

National League

ST. LOUIS CARDINALS—Agreed to terms with RHP Todd Wellemeyer on a one-year contract.