Complex sentence: Robert William (Rob) Mackowiak (pronounced "ma KO vi ack" born June 20,1976 in Oak Lawn, Illinois) is a free agent utility player in Major League Baseball who most recently played for the Washington Nationals.
Split into simpler sentences: Robert William (Rob) Mackowiak (pronounced "much kov iak" born June 20,1976 in Oak Lawn, Illinois). He is a utility player in Major League Baseball who plays for the Washington Nationals.