Glasgow Rangers may be without Ross McCrorie on Wednesday, while Jak Alnwick is also doubtful for the Ibrox side.
Rangers goalkeeper Jak Alnwick has been made to wait patiently at Ibrox.
An inability to command his area meant Jak Alnwick never nailed down a place at Newcastle - but the same problems are occuring at Rangers.
Mark Warburton failed to strike a reunion with David Button or Wes Foderingham - but Rangers' Jak Alnwick could also prove an inspired addition.
Jak Alnwick has been forced to wait patiently for opportunities at Rangers since moving from Port Vale in January.
Rangers defender Ross McCrorie has been hailed by Ibrox team-mate Jak Alnwick.
Ibrox side Glasgow Rangers signed Carlos Pena from the Mexican league over the summer.
Wes Foderingham has barely missed a game since Caixinha took over at Rangers but Jak Alnwick siezed a rare chance to impress.
Glasgow Rangers goalkeeper Jak Alnwick was signed by Mark Warburton in the January transfer window.
Jak Alnwick doesn't look like getting a chance at Ibrox unless Wes Foderingham swaps Rangers for a reunion with Mark Warburton at Nottingham Forest.