The fight is being targeted for May or June, possibly on the undercard of Keith Thurman’s May 19th return at Barclays Center.
https://www.badlefthook.com/2018/3/13/17117244/wbc-orders-gary-russell-jr-vs-joseph-diaz-jr
https://www.badlefthook.com/2018/3/13/17117244/wbc-orders-gary-russell-jr-vs-joseph-diaz-jr