1 1 , ▁the ▁Diam ond back s ▁trad ed ▁Parker , ▁Col lin ▁Cow g ill ▁and ▁Ryan ▁Cook ▁to ▁the ▁Oak land ▁Athletics ▁for ▁Tre vor ▁C ah ill ▁and ▁Craig ▁Bres low . ▁ ▁After ▁sp ending ▁the ▁early ▁part ▁of ▁the ▁ 2 0 1 2 ▁season ▁at ▁the ▁Tri ple - A ▁level , ▁Parker ▁joined ▁the ▁Athletics ' ▁starting ▁rotation ▁in ▁late ▁April . ▁ ▁On ▁June ▁ 4 , ▁ 2 0 1 2 , ▁Parker ▁no - hit ▁the ▁Texas ▁R angers ▁for ▁seven ▁inn ings ▁before ▁surrender ing ▁a ▁single ▁to ▁Michael ▁Young ▁to ▁lead ▁off ▁the ▁e ighth . ▁ ▁Parker ▁was ▁Game ▁ 1 ▁and ▁ 5 ▁st arter ▁for ▁the ▁ 2 0 1 2 ▁AL DS ▁against ▁the ▁Detroit ▁Tig ers . ▁Parker ▁took ▁losses ▁for ▁both ▁games ▁as ▁he ▁went ▁up ▁against ▁Tig ers ▁ace ▁Justin ▁Ver land er . ▁Parker ▁finished ▁the ▁ 2 0 1 2 ▁season ▁with ▁a ▁ 1 3 – 8 ▁record ▁with ▁ 1 4 0 ▁strike outs ▁with ▁an ▁era ▁of ▁ 3 . 4 7 ▁while ▁finishing ▁ 5 th ▁for ▁ro ok ie ▁of ▁the ▁year ▁ ▁During ▁the ▁ 2 0 1 3 ▁season , ▁Parker ▁set ▁a ▁franch ise ▁record ▁nin ete en ▁consecutive ▁starts ▁without ▁a ▁loss . ▁He ▁finished ▁the ▁season ▁with ▁a ▁record ▁of ▁ 1 2 - 8 ▁and ▁an ▁era ▁of ▁ 3 . 9 7 . ▁He ▁was ▁also ▁the ▁st arter