Rangers are closing in on the signing of former Ibrox goalkeeper Allan McGregor.
Rangers duo Kenny Miller and Lee Wallace have been suspended at Ibrox.
Aston Villa and Hull City both tried and failed to take Scott McKenna to the Championship in January from Aberdeen.
Alex McLeish has praised Celtic defender Jack Hendry.
Scotland's Newcastle wide man Matt Ritchie has full faith in Alex McLeish's ability to transform the national team.
Scotland's Aberdeen centre-half Scott McKenna has emerged as one of his nation's finest young talents in the last year and has been a long term target for Hull City.
Scotland boss Alex McLeish believes the Celtic players in his national squad are invaluable assets.
Players from Celtic and Liverpool could be long-term options for the Scotland captaincy.
Graeme Murty’s Glasgow Rangers brought Jason Cummings to Ibrox on loan from Nottingham Forest in the January transfer window.
Swansea City's loaned out striker Oli McBurnie has been in fine form for Barnsley, leading to a first international call up.