Mats Hummels marquee Celtic transfer floated as Borussia Dortmund legend ‘worth a phone call’

Mats Hummels marquee Celtic transfer floated as Borussia Dortmund legend ‘worth a phone call’ - Football Scotland - 8 Aug 2024

Mats Hummels marquee Celtic transfer floated as Borussia Dortmund legend ‘worth a phone call’

The defender is a free agent having left the Bundesliga giants last season...