Arsenal transfer news: Nico Williams deal-breaker, PSG name price, Tierney to Celtic
Celtic are in talks to re-sign Kieran Tierney four-and-a-half years after the full-back left Glasgow to sign for Arsenal. Tierney has made two Gunners appearances since the start of last season, having spent 2023/24 on loan at Real Sociedad, and his contract will expire in six months' time.