6 4 ▁yards ▁in ▁the ▁game ▁with ▁one ▁inter ception . ▁▁ 2 0 0 9 ▁season ▁Jackson ▁went ▁into ▁the ▁ 2 0 0 9 ▁season ▁in ▁competition ▁for ▁a ▁starting ▁job ▁with ▁S age ▁Ros enf els , ▁who ▁the ▁Vik ings ▁had ▁acquired ▁from ▁the ▁Houston ▁Tex ans . ▁The ▁Vik ings ▁also ▁purs ued ▁former ▁New ▁York ▁J ets ▁and ▁Green ▁Bay ▁Pack ers ▁quarter back ▁Bre tt ▁F av re , ▁who ▁had ▁retired ▁after ▁the ▁end ▁of ▁the ▁ 2 0 0 8 ▁season . ▁F av re ▁announced ▁that ▁he ▁would ▁not ▁join ▁the ▁Vik ings ▁prior ▁to ▁training ▁camp , ▁however , ▁and ▁Jackson ▁and ▁Ros enf els ▁split ▁duties ▁in ▁the ▁early ▁part ▁of ▁camp . ▁Jackson ▁was ▁the ▁second ▁quarter back ▁to ▁play ▁in ▁the ▁opening ▁pr ese ason ▁game , ▁and ▁was ▁expected ▁to ▁start ▁the ▁second ▁pr ese ason ▁game ▁against ▁the ▁Kansas ▁City ▁Chief s . ▁ ▁That ▁changed , ▁however , ▁when ▁F av re ▁announced ▁that ▁he ▁would ▁play ▁for ▁the ▁Vik ings ▁after ▁all , ▁signing ▁with ▁the ▁team ▁on ▁August ▁ 1 9 . ▁Jackson , ▁Ros enf els , ▁and ▁ 2 0 0 8 ▁third - string er ▁John ▁David ▁Boot y ▁were ▁believed ▁to ▁be ▁compet ing ▁for ▁two ▁ro ster ▁sp ots , ▁and ▁for ▁the ▁primary ▁backup ▁job . ▁Many ▁obser vers ▁believed ▁the ▁Vik ings ▁would ▁attempt ▁to ▁trade ▁Jackson . ▁ ▁Jackson ▁helped ▁his ▁case ▁with ▁a ▁strong ▁performance