Celtic face Zenit St. Petersburg in the second leg on Thursday night.
Tottenham Hotspur are not standing still when it comes to their defence.
Tottenham are reportedly keen on Lyon defender Emanuel Mammana.
Arsenal have reportedly joined Tottenham in the race to sign River Plate centre back Emanuel Mammana.
Tottenham Hotspur have been linked with a move for Emanuel Mammana.
Emanuel Mammana is being linked with a transfer to Tottenham Hotspur.