Mezue ahịrịokwu na-esonụ: Leyland bụ onye nchịkwa nke Pittsburgh Pirates site na 1986 ruo 1996. O meriri iko abụọ nke Onye Nlekọta nke Afọ na Pirates na 1990 na 1992, ma mechie dị ka onye na-agba ọsọ na 1988 na 1991. Leyland nyere aka zụlite ụdị All-Stars dị ka Barry Bonds, Jay Bell, Tim Wakefield, Andy Van Slyke na Bobby Bonilla na Pittsburgh tupu ire ọkụ n'etiti afọ ndị 1990 mere ka ọ bụrụ onye nwe ya. N'okpuru Leyland, ndị Pirates weghaara aha National League Eastern Division wee gaa National League Championship Series na oge atọ (1990, 1991, na 1992).
1992). Pittsburgh nwere nkezi mmeri oge oge 96 n'afọ atọ ahụ, mana tụfuru ugboro atọ niile na NLCS na nke abụọ gara aga na-aga egwuregwu asaa zuru ezu megide Atlanta Braves. Ndị Pirates meriri Cincinnati Reds (egwuregwu anọ na abụọ) na 1990 NLCS.