Carlos Bacca had reportedly rejected an approach from West Ham in favour of Champions League playing Atletico
The young defender has improved greatly in recent months.
Marseille's French winger caught the eye of journalists across Europe over the 2015/16 season.
The Hoops boss is hoping to add new recruits in the coming weeks.
The winger says he is keen to prove he is worthy to Mark Warburton.
Granit Xhaka joined Arsenal from Borussia Monchengladbach at the end of last month
The fan favourite can't wait to experience life at the Olympic Stadium.
Celtic are looking to overturn a 1-0 deficit to the Gibraltan side.
Marseille winger Georges-Kevin Nkoudou is travelling to London to complete his move to Tottenham.
The young defender is raring to get started at St James Park.