ate , ▁the ▁Louis ville ▁B ats , ▁where ▁he ▁went ▁ 4 – 1 ▁with ▁a ▁ 1 . 5 0 ▁E RA . ▁ ▁O nd ru se k ▁was ▁added ▁to ▁the ▁Red s ' ▁ 4 0 - man ▁ro ster ▁after ▁the ▁ 2 0 0 9 ▁season ▁to ▁protect ▁him ▁from ▁the ▁Rule ▁ 5 ▁D raft . ▁▁ 2 0 1 0 ▁In ▁ 2 0 1 0 , ▁O nd ru se k ▁made ▁the ▁Red s ' ▁Open ing ▁Day ▁ro ster ▁with ▁a ▁strong ▁showing ▁in ▁spring ▁training , ▁throwing ▁ 1 0 ▁sc or eless ▁inn ings . ▁He ▁made ▁his ▁first ▁professional ▁appearance ▁on ▁Open ing ▁Day ▁at ▁Great ▁American ▁Ball park , ▁pitch ing ▁a ▁sc or eless ▁e ighth ▁in ning ▁against ▁the ▁St . ▁Louis ▁Card inals . ▁However , ▁with ▁an ▁ 1 1 . 1 2 ▁E RA ▁through ▁nine ▁appearances , ▁O nd ru se k ▁was ▁sent ▁down ▁to ▁Tri ple - A ▁Louis ville ▁on ▁April ▁ 2 2 . ▁Due ▁to ▁inj uries ▁and ▁strugg les ▁in ▁the ▁Red s ' ▁b ull pen , ▁O nd ru se k ▁was ▁re called ▁to ▁the ▁maj ors ▁on ▁June ▁ 1 . e ▁Despite ▁a ▁rough ▁initial ▁appearance ▁upon ▁his ▁return ▁to ▁the ▁big ▁le agues ▁( g iving ▁up ▁a ▁home ▁run ▁to ▁Matt ▁H oll iday ▁in ▁his ▁first ▁game ▁back ), ▁O nd ru se k ▁settled ▁down ,