Mezue ahịrịokwu na-esonụ: Briles nọrọ ọtụtụ n'ime oge mbụ ya na Pittsburgh na bullpen, agbanyeghị, agbakwunyere na mbido mbido na Septemba. N'agbanyeghi na ọ gbara bọọlụ nke ọma, (3-1 na shutout abụọ, egwuregwu zuru ezu na 1.74 ERA) ọ pụtaghị na asọmpi ahụ.
1971 National League Championship Series megide San Francisco Giants. Otú ọ dị, ọ malitere egwuregwu ise na 1971 World Series megide Baltimore Orioles. Ebe egwuregwu abụọ n'otu egwuregwu jikọrọ n'asọmpi ahụ, Briles gbara bọọlụ abụọ dị egwu iji bulie ndị ga-abụ ndị mmeri ụwa gaa n'isi 3-2. O mekwara ọsọ na agba nke abụọ. Ọ gbara oge atọ maka Pirates, na-aga 36-28 na 2.98 ERA.