11 free agents that Celtic or Rangers could still sign including ex Newcastle, Arsenal and Man United stars - gallery

There are just 10 days left of the summer transfer window for the two Glasgow clubs to finalise deals.

Celtic and Rangers will dip back into the transfer market in what is expected to be a busy end to the summer window at either Glasgow club - and a list of free agents could be exploited by Brendan Rodgers or Michael Beale.

Both managers will be keen to strengthen their respective squads with added quality as they tackle European football, and some big name players are available for nothing.

Here, GlasgowWorld has updated a list of the best free agents who have not yet been snapped up: