<prompt> Bhala okuqhubekayo kwalesi sigaba - Ekuqaleni kwesizini ka-2017, uBarnes waxoshwa okokuqala empilweni yakhe ye-MLB, ngo-Ephreli 23 ngummeli u-Andy Fletcher, ngokusobala ezama ukushaya uManny Machado waseBaltimore nge-pitch ekuphenduleni isilayidi esinzima sikaMachado kuDustin Pedroia emdlalweni ezinsukwini ezimbili ezedlule. Ngosuku olulandelayo, uBarnes wamiswa emidlalweni emine ngenxa yokuphonsa ngenhloso endaweni yekhanda likaManny Machado. Ngesizini ka-2017, uBarnes wabonakala emidlalweni engu-70 neBoston, waqopha irekhodi le-73, kanye nokulondoloza okukodwa, nge-3.88 ERA kanye nama-83 strikeouts kuma-innings aphonswe. UBarnes uqale isizini ka-2018 endimeni yakhe ejwayelekile njengelungu le-bullpen yaseBoston. Ngesikhathi sesizini ejwayelekile, uvele emidlalweni engama-62, waqopha irekhodi le-64 nge-3.65 ERA kanye ne-96 strikeouts kuma-innings. Emdlalweni we-postseason, wabonakala emidlalweni eyishumi ngesikhathi evumela i-earned run eyodwa emidlalweni njengoba iRed Sox yaqhubeka nokuwina i-World Series  <response>: phezu kweLos Angeles Dodgers. 