2005 Overview: With the departure of slugger Sammy Sosa, the offensive output for the Chicago Cubs has been replaced by the likes of superstars Derek Lee (.335 46 107) and Aramis Ramirez (.302 31 92). Both players came into their own in 2005 along with the help of Jeremy Burnitz (.258 24 87), catcher Michael Barrett (.276 16 61) and…