During his time at Aberdeen, Jonny Hayes established himself as one of the best wingers in the Scottish Premiership, and it did not come as a surprise when Celtic signed him in the summer transfer window.
The 30-year-old Republic of Ireland international winger was expected to be a success at Celtic Park and help the Bhoys in Europe, but things are not going well for him at the moment.
The former Inverness Caledonian Thistle star has not even managed 10 competitive starts for Celtic this season, and is clearly a squad player at the Bhoys.
Hayes is a quality winger, and the Republic of Ireland international would enhance the quality of any other team in Scotland.
Given that the winger is only 30 years of age, he should be looking to find a new club in January where he can play regularly, even if that be on loan.
Another Celtic player who should be looking to leave in the January transfer window is Cristian Gamboa, who has been part of Brendan Rodgers’s squad since the summer of 2016.
The Costa Rica international right-back has not even made 25 competitive starts for the Hoops, and with the emergence of Anthony Ralston, he is going to find it tough for regular playing time as the season progresses.
Costa Rica will play at the 2018 World Cup finals in Russia next summer, and for Gamboa to make an impact for his national team, he needs to be on top form and match fit.