▁broke ▁his ▁left ▁arm ▁after ▁landing ▁awk ward ly ▁while ▁running ▁with ▁the ▁ball . ▁On ▁September ▁ 2 , ▁he ▁was ▁placed ▁on ▁the ▁In j ured ▁Reserve ▁list , ▁causing ▁him ▁to ▁miss ▁the ▁entire ▁season . ▁He ▁later ▁re - signed ▁with ▁the ▁team ▁in ▁April ▁ 2 0 1 2 . ▁▁ 2 0 1 2 ▁During ▁Week ▁ 1 0 ▁of ▁the ▁ 2 0 1 2 ▁season , ▁Ben ▁Ro eth lis berger ▁was ▁knock ed ▁out ▁of ▁the ▁game ▁against ▁the ▁Kansas ▁City ▁Chief s ▁at ▁Hein z ▁Field , ▁inj uring ▁his ▁SC ▁joint ▁and ▁rib ▁on ▁the ▁only ▁s ack ▁of ▁the ▁game . ▁ ▁Left wich ▁came ▁into ▁the ▁game ▁and ▁completed ▁seven ▁of ▁ 1 4 ▁passes ▁for ▁ 7 3 ▁yards , ▁helping ▁lead ▁the ▁team ▁to ▁a ▁go - a head ▁fourth ▁quarter ▁field ▁goal ▁in ▁a ▁game ▁that ▁would ▁eventually ▁be ▁tied ▁before ▁the ▁Ste el ers ▁finally ▁won ▁in ▁over time . ▁ ▁Two ▁days ▁after ▁the ▁win ▁against ▁the ▁Chief s , ▁the ▁Ste el ers ▁announced ▁that ▁Left wich ▁would ▁be ▁the ▁st arter ▁in ▁Week ▁ 1 1 ▁against ▁the ▁Baltimore ▁Rav ens ▁at ▁home . ▁He ▁had ▁a ▁career ▁long ▁r ush ▁of ▁ 3 1 ▁yards ▁for ▁a ▁touch down ▁in ▁the ▁opening ▁drive ▁in ▁the ▁loss ▁against ▁the ▁Rav ens . ▁However , ▁in ▁the ▁process , ▁he ▁broke ▁his ▁rib ▁and ▁he ▁was ▁s idel ined ▁after ▁the ▁game . ▁