icz ▁would ▁replace ▁Doug ▁Rand olph ▁as ▁the ▁crew ▁chief ▁of ▁the ▁No . ▁ 2 . ▁On ▁August ▁ 6 , ▁ 2 0 1 9 , ▁NAS C AR ▁susp ended ▁St ank iew icz , ▁tr uck ▁chief ▁Austin ▁Pol lak , ▁and ▁engineer ▁Jonathan ▁Stewart ▁for ▁three ▁races ▁through ▁September ▁ 1 0 ▁after ▁the ▁No . ▁ 2 ▁tr uck ▁was ▁discovered ▁to ▁have ▁a ▁ball ast ▁container ▁viol ation ▁during ▁post - race ▁ins pection ▁at ▁E ld ora . ▁Dar ren ▁Fra ley ▁served ▁as ▁inter im ▁crew ▁chief ▁during ▁St ank iew icz ' s ▁susp ension . ▁ ▁T ruck ▁No . ▁ 2 1 ▁history ▁ ▁Sp encer ▁Gall ag her ▁( 2 0 1 3 ) ▁The ▁ 2 1 ▁made ▁ 5 ▁attempts ▁in ▁ 2 0 1 3 ▁with ▁Sp encer ▁Gall ag her , ▁qual ifying ▁for ▁ 3 ▁races . ▁Gall ag her ▁finished ▁ 2 2 nd ▁at ▁Kansas , ▁ 2 0 th ▁at ▁Texas , ▁and ▁ 3 2 nd ▁at ▁the ▁season ▁finale ▁at ▁Hom est ead . ▁ ▁Jo ey ▁C oul ter ▁( 2 0 1 4 ) ▁In ▁January ▁ 2 0 1 4 , ▁it ▁was ▁announced ▁that ▁ 2 3 - year - old ▁Jo ey ▁C oul ter ▁would ▁drive ▁the ▁ 2 1 ▁Silver ado ▁full - time ▁for ▁G MS ▁after ▁driving ▁Toy ot as ▁in ▁ 2 0 1 3 ▁for ▁K yle ▁Bus ch