Aroldis Chapman closed out the Wild Card Game which is, while only a single game, a Postseason Round. By finishing off the Twins, not only did he help the Yankees advance, but he also joined a select group of relievers.
Throwing the final pitch of a post season series (a minor obsession of mine) is the pinnacle for any closer. But only handful have done it for multiple franchises.
closed out the 1973 NLCS for the Mets and the 1980 World Series for the Phillies.
clinched the 1978 ALCS and World Series and the 1981 Division Series and ALCS for the Yankees and the 1984 NLCS for the Padres.
closed out the 1988 ALCS and 1989 ALCS and World Series for the A’s and finished the 1996 Division Series for the Cardinals.
finished the 1990 NLCS and World Series for the Reds and then the 1996 and 1997 Division Series as a member of the Orioles.
clinched the 1997 Division Series for the Marlins and the 2002 Division Series for the Giants.
finished the 2003 Division Series with the Cubs and the 2007 Division Series with the Indians.
clinched the 2007 Division Series for the Diamondbacks and the 2011 Division Series for the Tigers.
Clinched the 2016 Division Series and NLCS for the Cubs and the 2017 Wild Card Game for the Yankees.
Keep a close eye on Wade Davis who clinched three times for the 2015 Royals and is closing for the Cubs now.