Celtic transfer news: Update on Bayer Leverkusen's bid to sign Hoops star

Bayer Leverkusen had agreed a four-year contract with Brentford-bound Kristoffer Ajer

Celtic transfer news: Update on Bayer Leverkusen's bid to sign Hoops star
Bayer Leverkusen had agreed a four-year contract with Brentford-bound Kristoffer Ajer