Dale Tonge leaves Barnsley and Adam Murray is promoted as Gerhard Struber completes his backroom
The Austrian took over last week, and has taken charge of two matches.
Former midfielder Tonge was the assistant manager under Struber's predecessor, Daniel Stendel. Tonge was a promotion-winner in his four years with his hometown club before moving on. He spent the bulk of his career with Rotherham United.
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Hide AdUnder-18 coach Murray was caretaker manager after Stendel's sacking in October. He now officially takes on the role of first-team coach, along with Matt Rose and Max Senft, who arrived with Stuber last week.
The Reds won promotion from League One last season but are bottom of the Championship, without a win since beating Fulham on the opening weekend.