Celtic are hoping to ramp up their summer transfer plans in the coming days as they aim to win a sixth successive Scottish Premiership title under manager Martin O’Neill.
After snatching the title from Hearts on the final day of last season, the Scottish champions are hoping to put one of their most turbulent years in recent memory behind them and get back to their dominant best with the new campaign on the horizon.
O’Neill, 74, has taken the reins at the club on a permanent basis after two temporary stints last season, and will be tasked with overseeing a squad rebuild that could see the Celtic main entrance become something of a revolving door during the summer transfer window. But which players could see their time at the club come to an end in the coming weeks?
With movement anticipated during the summer transfer window, The Scotsman take a look at the 10 players who could leave Celtic this summer.

9. Arne Engels
Subject of a rejected £25million bid from Nottingham Forest on transfer deadline day, the Belgium international has major interest from several clubs in Europe, and in the English Premier League. Celtic face a battle to hang onto him beyond the summer. | PA Photo: PA

10. Adam Montgomery
The left-back has made sporadic appearances for Celtic's first team, and spent half a season on loan to Livingston last year before injury derailed his time at Almondvale. Into the final year of his contract, a summer move away from Parkhead could make sense for both parties. | SNS Group Photo: SNS Group

