Kelvin Herrera and the Royals, Andrew Miller and the Indians, Aroldis Chapman and the Cubs. Three superstar relievers that helped power their teams deep into the postseason in recent years. Of course those guys didn’t do it on their own. Each team had some other guys that could come out of the pen to impact games positively and good teams in general, but with games on the line, in the tensest of moments, the bullpen is the group of guys that tends to be relied upon most.
This fact holds true in the college game. When a team gets to the postseason its pitching depth is tested, potentially playing four or five games in three days against high-caliber teams in order to win a regional.