I think Lofton was the best WR out of the bunch. He just played for some bad teams.
Hutson revolutioned the WR position. Played on some very good teams, but still played at a time when less was expected from the WR.
Sharpe had the most talent. His career was cut short due to injuries though.
McGee had the big Super Bowl obviously.
Dowler is in the same boat as Hutson.
Not sure Freeman belongs in this discussion honestly.
Tough to say where Donald belongs.