Edwin Diaz Will Replace Steve Cishek as Seattle Mariners Closer September 29, 2016 site-admin1 Edwin Diaz will become the new closer for the Seattle Mariners. The Mariners announced the switch after Steve Cishek blew yet another save. What do you think of this move? Tell us on SportsGuru: http://apple.co/1WyuVzn source Seattle Mariners
