Tottenham Hotspur are reportedly desperate for Reo Griffiths to sign a new contract but Scottish Premiership champions Celtic are allegedly circling.
Rangers are reportedly close to luring Martin Skrtel to Ibrox - but Celtic could reportedly pay big for the Newcastle United defender Chancel Mbemba.
Neil Lennon reflects on his time working with Liverpool star Virgil van Dijk at Celtic.
Should Ibrox side Glasgow Rangers and Celtic try bringing Leeds United's Eunan O'Kane to the Scottish Premiership?
Celtic’s squad has changed significantly over the past few years.
Erik Sviatchenko left Scottish Premiership giants Celtic in January - but then won the Danish Superliga with FC Mitdjylland.
Celtic-bound St Mirren star Lewis Morgan won the Championship Player of the Year award, a year after Hibernian's John McGinn picked up the gong.
West Ham United have just appointed a new manager, but could Celtic boss Brendan Rodgers be at the London club in the future?
West Bromwich Albion winger James McClean says that he wanted to join Celtic when he was leaving Sunderland for Wigan Athletic back in 2013.
Scottish Premiership giants Rangers are reportedly hoping to lure Harry Wilson to Ibrox from Premier League Liverpool - taking a leaf out of Celtic's book.
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.