Bill Parcells reported to his new job and quickly put aside one theory about what ails the Miami Dolphins. It turns out they really do practice. Parcells was on the field for Thursday's workout and a firsthand look at the NFL's worst team. He signed a four-year contract last week to become Executive Vice President of Football Operations. "When he walked out, everybody noticed," defensive tackle Vonnie Holliday said. "There was a whisper here and there." As a coach, Parcells took over losing teams with the New York Giants, New England Patriots, New York Jets and Dallas Cowboys and transformed them into winners. He won five division titles in 19 seasons and led the Giants to two Super Bowl championships.