<prompt> Nyora kupfuurira kweiyi ndima - Mwaka we1971 Pittsburgh Pirates yaive mwaka wechi90 wePittsburgh Pirates franchise; yavo 85th muNational League. Yakabatanidza maPirates akapedza ari wekutanga muNational League East aine rekodhi yekukunda 97 uye kurasikirwa 65. Vakakunda San Francisco Giants mitambo mitatu kune imwe muNational League Championship Series  <response>: uye vakakunda Baltimore Orioles mitambo mina kusvika mitatu muWorld Series. VaPirates vaitungamirirwa naDanny Murtaugh, uye vakatamba mwaka wavo wekutanga wakazara kuThree Rivers Stadium, iyo yakavhurwa muna Chikunguru gore rakapfuura. 