The Scottish Premiership side have already made three signings this summer.
Luke Ayling of Bristol City
The Bristol Post reports that the 24-year-old appears to be on the verge of leaving Ashton Gate this summer after the Robins signed former Hoops man Adam Matthews on a season-long loan deal from Sunderland and Ayling was left out of the squad that took on Wycombe Wanderers in the League Cup this week.
With the Arsenal academy graduate entering the final year of his contract, it surely seems likely that City boss Lee Johnson will want to move him on this summer, especially if he has no doubt that he is not in his plans for the coming campaign.
It is perhaps surprising that Brendan Rodgers has earmarked the former Yeovil Town man as a potential summer target.
Celtic manager Brendan Rodgers
Though he brings a level of versatility that could see him deployed in defence or midfield, the Hoops appear to have plenty of depth in his favoured position with Mikael Lustig and Saidy Janko already vying for the role.
However, with the Daily Record reporting that third-choice right-back Darnell Fisher is on the verge of joining Rotherham United, Rodgers may want more cover in that position, especially if he is unconvinced about Janko, and plans to deploy Lustig in a more central role on occasion.
Mikael Lustig has been Celtic's first-choice right-back in recent seasons