Scott Allan joined Rotherham United on a season-long loan deal from Celtic in the summer transfer window.
Scott Allan returns to Celtic after a forgettable loan spell with Rotherham United.
The Bhoys midfielder has returned to Parkhead early.
Celtic loanee Allan is back at Parkhead six months ahead of schedule.
Celtic should sell Kris Commons, Nadir Ciftci, Efe Ambrose, Scott Allan and Dedryck Boyata in the January transfer window, suggests John Hartson.
Rotherham returned to Championship football with a hard fought 2-2 draw against Bristol City on the weekend.
A select round-up of the latest news involving Mark Warburton's Glasgow Rangers and Brendan Rodgers' Hoops.
The 24-year-old has left the Scottish Premiership side for Rotherham United.
The former Hibs star has failed to make an impact at Parkhead.
Brendan Rodgers appears to be a fan of Celtic midfielder Scott Allan.