The Sunderland boss has given an update over key duo Chris Rigg and Dan Ballard. The Black Cats are once again in action in midweek as they are set for action on the road against Preston North End. Regis Le Bris’ side ran out for a fairly disappointing 0-0 draw against Queens Park Rangers at the weekend, which saw Sunderland not manage to find the back of the net for the first time in the 2024/25 Championship season. Wilson Isidor looked to struggle up front for the Black Cats against Queens Park Rangers, as did Aaron Connolly when coming off the bench, and the result was soured even more with…