▁to ▁make ▁his ▁major ▁league ▁debut ▁with ▁a ▁start ▁on ▁July ▁ 1 9 , ▁ 2 0 1 6 , ▁against ▁the ▁Los ▁Angeles ▁D od gers ▁at ▁National s ▁Park ▁in ▁Washington , ▁D . C . ▁During ▁the ▁game , ▁he ▁gave ▁up ▁a ▁lead - off ▁home ▁run ▁to ▁Ch ase ▁Ut ley , ▁allowed ▁three ▁runs ▁in ▁the ▁first ▁in ning , ▁and ▁gave ▁up ▁hits ▁to ▁seven ▁of ▁the ▁first ▁ 1 1 ▁bat ters ▁he ▁faced . ▁After ▁that , ▁he ▁improved ▁consider ably , ▁ret iring ▁eight ▁bat ters ▁in ▁a ▁row ▁at ▁one ▁point , ▁striking ▁out ▁six ▁of ▁them . ▁After ▁he ▁allowed ▁three ▁bat ters ▁to ▁reach ▁base ▁and ▁gave ▁up ▁two ▁more ▁runs ▁in ▁the ▁fifth ▁in ning , ▁he ▁was ▁rel ieved . ▁He ▁had ▁pitch ed ▁ 4 <0xE2> <0x85> <0x94> ▁inn ings , ▁throwing ▁ 1 0 5 ▁pitch es ▁( 6 5 ▁for ▁strik es ), ▁giving ▁up ▁six ▁runs ▁( all ▁earned ) ▁on ▁ 1 0 ▁hits ▁( including ▁one ▁home ▁run ), ▁and ▁walking ▁one ▁but ▁striking ▁out ▁nine . ▁The ▁National s ▁lost ▁the ▁game ▁ 8 - 4 , ▁and ▁he ▁was ▁the ▁game ' s ▁losing ▁pitch er . ▁However , ▁he ▁was ▁the ▁first ▁player ▁from ▁the ▁Domin ican ▁Republic ▁signed ▁and ▁developed ▁by ▁the ▁National s ▁to ▁start ▁a ▁game ▁for ▁Washington ▁– ▁which ▁the ▁National s ▁considered ▁ ▁a ▁major ▁step ▁forward ▁for ▁their ▁organization ▁– ▁and ▁his