Inanemotionalnewsconferencetoofficiallyannouncehisthree-year,$30millioncontractextensionThursdayatHalasHall,MarshallthankedeveryonefromhiswifeandagenttotheBears'groundscrewandmarketingdepartment.HemadeitclearhecreditshissuccessandsomeofhisturnaroundfromatroubledpasttobeingpartoftheBearsorganization."Well,thetransformationstartedinmylifebeforeIwastradedhere,butIthinkitwascareersaving,"MarshallsaidofthetradebyBearsgeneralmanagerPhilEmeryoftwothird-rounddraftchoicestoMiamitoreuniteMarshallwithhisfriend,BengalsJerseyYouth,quarterbackJayCutler."Idon'tthinkI'dbesittinginthispositiontalkingaboutanextension.