Seinfeld busts Keith's chops
October 3, 2015 | 00:00:49
10/3/15: During his time in the Mets booth, Jerry Seinfeld does not miss the opportunity to call out Keith Hernandez's greying mustache
10/3/15: During his time in the Mets booth, Jerry Seinfeld does not miss the opportunity to call out Keith Hernandez's greying mustache
