<prompt> Bhala okuqhubekayo kwalesi sigaba - IThree Rivers Stadium yavulwa ngo-July 16, 1970, kodwa iPirates yahlulwa yiCincinnati Reds ngo-3 ngokumelene no-2 phambi kwababukeli abangu-48 846. I-pitch yokuqala yaphonswa nguDock Ellis, okwakuyisiteleka sikaTy Cline. I-hit yokuqala enkundleni yabekwa uRichie Hebner wasePittsburgh, ekupheleni kwe-inning yokuqala. IPirates yasusa umthetho wayo wokungabikho kukamabonakude emidlalweni yasekhaya ukuze abalandeli bendawo bakwazi ukubona umdlalo wokuqala. Isikhathi esiphansi kunazo zonke sePirates sokubakhona kwaba ngo-1985, ngesilinganiso sabangu-9,085. Isilinganiso sabantu ababekhona sasizokhuphuka ngo-1991, lapho iPirates yayinesilinganiso sabangu-25 498 emdlalweni ngamunye. Umdlalo wokuqala we-1970 NLCS  <response>: Umdlalo wokuqala we-baseball owawubanjelwe e-Three Rivers Stadium, kwaba umdlalo wokuqala we-baseball owawubanjelwe endaweni yokufakelwa. Ngesizini elandelayo, iPirates yathuthukela ku-World Series ngokumelene neBaltimore Orioles. I-Three Rivers Stadium ibambe umdlalo wesine, lapho iPirates yahlula i-Orioles emdlalweni wokuqala wasebusuku emlandweni weWorld Series. IPittsburgh yabamba i-All-Star Game yayo yesithathu ngo-1974. I-National League iwine umdlalo ngo-7 kuya ku-2 kanti uKen Brett wePirates wayengumdlali owawina. Ngo-1979, iPirates yaphinde yanqoba iWorld Championship, futhi yanqoba iBaltimore Orioles emidlalweni eyisikhombisa yeWorld Series. Imidlalo 3, 4 no 5 yalolu chungechunge yadlalwa eThree Rivers. Eminyakeni engu-15 kamuva, i - midsummer classic yabuya ngo - 1994. Ngabantu abangu-59,568, isixuku esikhulu kunazo zonke esake saba khona emdlalweni we-baseball enkundleni, iNational League yanqoba ngo-8-7 emdlalweni we-10th inning. NgoJulayi 6, 1980, iPirates yanqoba iChicago Cubs ngo-5-4 emidlalweni engu-20 - okuyimidlalo eminingi eyake yadlalwa kule nkundla. Umdlalo omude kunayo yonke kule nkundla wadlalwa ngo-Agasti 6, 1989, lapho uJeff King eshaya i-home run ehamba ngamahora ama-5 nemizuzu engama-42 emncintiswaneni we-inning engu-18, njengoba iPirates iphinde yanqoba iCubs ngo-5-4. Ngo-September 30, 1972, i-Pirates right-fielder uRoberto Clemente wathola i-3000th hit yakhe e-Three Rivers Stadium, izinyanga ezintathu ngaphambi kokufa kwakhe. 