Rangers midfielder Jason Holt has discussed former Ibrox loanee Billy King.
Fans of Ibrox side Glasgow Rangers could afford a smile at Celtic's expense on Sunday.
Derek Johnstone believes only Dominic Ball could return to Rangers.
Rangers winger Billy King says that he gets advice from Ibrox teammate Kenny Miller.
The 21-year-old is cup-tied so will have to sit out the game against Celtic.
The 21-year-old joined the Scottish Championship side in January.
Rangers will do very well in the Scottish Premiership next season, according to winger Billy King.
The Rangers winger has named Everton star Ross Barkley as the highest class of opponent he has played against.
Billy King has not featured very often for Scottish Championship leaders Rangers since his loan from Hearts.
Rangers signed Billy King on loan from Heart of Midlothian in the January transfer window.