They've only made five post season appearances since 1969, winning the pennant twice. And both times they faced a juggernaut in the World Series (the 1984 Tigers and the 1998 Yankees.)
Also remember how they blew a spot in the 2007 post season and lost the 2010 NL West title on the last day?
So October glory is NOT part of the Padres tradition. But they did clinch a few playoff series. And the two names of the pitchers who clinched a playoff or pennant for San Diego are pretty big among all time relievers.
Here are the pitchers, the game they pitched, and how was the last out recorded.