Ibrox side Glasgow Rangers are close to signing Ryan Kent - a reported Celtic target from 2017 - but how will he fare in the Scottish Premiership?
Euan Henderson impressed for Celtic's youth team today.
Celtic's Scottish Premiership champion and World Cup semi-finalist is understood to be a target for Ligue 1 outfit Lyon.
Celtic could be light on central defensive options against Rosenborg.
Brendan Rodgers’s Celtic reportedly want to sign Hibernian’s John McGinn in the summer transfer window.
Scottish Premiership champions Celtic reportedly want to sign John McGinn from Hibernian - could Rangers now take Sunderland out of the race?
Lyon reportedly want Dedryck Boyata of Celtic.
Liam Henderson was reportedly contacted by clubs back in the UK, just six months after Scottish Premiership outfit Celtic let him go.
Premier League newcomers Wolverhampton Wanderers have been linked with a big-money swoop for Celtic left-back Kieran Tierney.
Scottish Premiership outfit Aberdeen are reportedly demanding a big fee for Scott McKenna but this shouldn't put Celtic off.
Neil Lennon managed Celtic between 2011 and 2014.
With Craig Gordon now aged 35, here are three potential replacements for the Scottish veteran at Celtic Park.
Celtic and Rangers played out an intense Old Firm Derby at Saturday lunchtime, ending up with a 0-0 draw. Here are the best and worst performers.