<prompt> Ngwala tšwetšopele ya serapa se - The Pirates e be e tla thopa dithwadišo tše tharo tša mathomo tša NL East tša bo-1990s, eupša ya palelwa ke go fetela go World Series nako le nako. Bobedi ka 1991 le ka 1992  <response>: , ba ile ba fenywa ke Atlanta Braves go tšwa go League Championship Series yeo e bego e phenkgišana ka go tia. 