Celtic youngster Anthony Ralston recently joined Dundee United on an emergency loan.
Has Celtic's Mikael Lustig just been sent clear message by Brendan Rodgers?
Ralston impressed for Celtic earlier in the campaign.
Tony Ralston signed a four-year deal with Celtic in December but now the Scottish Premiership champions are eyeing Tom James from League Two Yeovil Town.
Celtic face their bitter rivals in the Scottish Premiership this weekend, and Brendan Rodgers has some tough decisions to make.
How will Celtic line up as they host Morton in their Scottish Cup quarter-final tie?
The right-back's form has dropped significantly this season compared to the rest of his time at Celtic.
The right-back has barely featured for Celtic this term and does not appear to have much of a future in Glasgow
The 20-year-old Celtic academy graduate have been lurking in the wings since returning to fitness, and deserves a chance following Lustig's poor run of form.
Did Celtic boss Brendan Rodgers bring Anthony Ralston to St Petersburg?