Barnsley are hoping their third incoming signing of the January transfer window will be confirmed on Friday.
The Reds are thought to have loaned in a midfielder but the deal is yet to be ratified by the authorities.
It follows the signing of defenders Donovan Pines and Josh Earl.
They were hoping to sign a striker but it did not happen.
The Reds have loaned out a series of players this window including on deadline day when Callum Styles joined Sunderland, with a buy clause, while centre-backs Jack Shepherd and Kacper Lopata have joined League One strugglers Cheltenham and Port Vale until the summer.