▁ ▁Long street ▁gave ▁the ▁order ▁to ▁move ▁at ▁ 1 1 : 1 0   a . m . ▁and ▁Johnson ' s ▁division ▁proceeded ▁across ▁the ▁Bro ther ton ▁field , ▁by ▁coinc idence ▁to ▁precisely ▁the ▁point ▁where ▁Wood ' s ▁Union ▁division ▁was ▁pulling ▁out ▁of ▁the ▁line . ▁Johnson ' s ▁brig ade ▁on ▁the ▁left , ▁commanded ▁by ▁Col . ▁John ▁S . ▁F ult on , ▁drove ▁directly ▁through ▁the ▁gap . ▁The ▁brig ade ▁on ▁the ▁right , ▁under ▁Brig . ▁Gen . ▁Ev ander ▁Mc N air , ▁encountered ▁opposition ▁from ▁Bran nan ' s ▁division ▁( parts ▁of ▁Col . ▁John ▁M . ▁Con nell ' s ▁brig ade ), ▁but ▁was ▁also ▁able ▁to ▁push ▁through . ▁The ▁result ▁was ▁what ▁was ▁very ▁soon ▁to ▁be ▁a ▁dev ast ating ▁rout ▁of ▁the ▁Union ▁Army . ▁The ▁few ▁Union ▁soldiers ▁in ▁that ▁sector ▁ran ▁in ▁pan ic ▁from ▁the ▁on s la ug ht . ▁ ▁At ▁the ▁far ▁side ▁of ▁the ▁D yer ▁field , ▁several ▁Union ▁batter ies ▁of ▁the ▁XX I ▁Corps ▁reserve ▁art illery ▁were ▁set ▁up , ▁but ▁without ▁inf antry ▁support . ▁Although ▁the ▁Confeder ate ▁inf antry men ▁hes itated ▁briefly , ▁Gre gg ' s ▁brig ade , ▁commanded ▁by ▁Col . ▁C yrus ▁S ugg , ▁which ▁fl ank ed ▁the ▁guns ▁on ▁their ▁right , ▁She ff ield ' s ▁brig ade , ▁commanded ▁by ▁Col . ▁William ▁Perry , ▁and ▁the