▁in ▁the ▁third ▁and ▁then ▁hit ▁his ▁ 3 rd ▁home ▁run ▁off ▁Athletics ▁st arter ▁Ben ▁She ets . ▁However , ▁he ▁was ▁forced ▁to ▁leave ▁the ▁game ▁after ▁being ▁nearly ▁knock ed ▁un cons cious ▁by ▁team mate ▁Ryan ▁Church ' s ▁kne e ▁when ▁the ▁two ▁accident ally ▁coll ided ▁going ▁for ▁a ▁fly ▁ball . ▁He ▁then ▁missed ▁the ▁following ▁seven ▁games ▁with ▁conc uss ion - like ▁sympt oms ▁before ▁returning ▁to ▁action ▁on ▁July ▁ 3 . ▁ ▁Walker ▁scored ▁a ▁career - high ▁three ▁times ▁in ▁a ▁ 1 2 – 6 ▁win ▁over ▁the ▁Houston ▁Ast ros ▁on ▁July ▁ 1 7 , ▁ 2 0 1 0 . ▁He ▁hit ▁ 3 rd ▁in ▁the ▁Pir ates ▁batt ing ▁order , ▁going ▁ 3 - for - 5 ▁with ▁ 3 ▁runs ▁and ▁ 2 ▁R BI . ▁He ▁set ▁another ▁career ▁high ▁three ▁days ▁later , ▁recording ▁five ▁hits ▁in ▁one ▁game ▁against ▁the ▁Mil w au kee ▁B rew ers , ▁finishing ▁the ▁night ▁ 5 - for - 5 ▁with ▁a ▁run ▁scored ▁and ▁an ▁R BI . ▁Walker ▁became ▁the ▁first ▁Pir ate ▁ro ok ie ▁since ▁fellow ▁Pitts burgh ▁native ▁John ▁We hner ▁in ▁ 1 9 9 1 ▁to ▁have ▁a ▁five - hit ▁game . ▁His ▁hitting ▁te ar ▁was ▁finally ▁ended ▁on ▁July ▁ 2 3 , ▁ 2 0 1 0 ▁against ▁the ▁San ▁Diego ▁Pad res , ▁after ▁recording ▁six ▁straight ▁multi - hit