After the news came that John Bradshaw Layfield(JBL) was leaving the WWE announcing table, WWE went to twitter to announce their contingency plan.
— WWE (@WWE) September 4, 2017
So Cory Graves will begin announcing on the next Smackdown Live episode. Nigel McGuinness will take over Graves 205 Live and Main Event duties.
JBL’s leave from WWE is mainly doing to him wanted to do other things. It is rumored that JBL wants to spend more time helping the communities in Bermuda.
It is uncertain whether Cory Graves will remain on Monday Night Raw or not. It is also uncertain if this is a permanent or a temporary move for the time being.