"I am self-aware enough to know I am by no means the finished article as a head coach. I wanted an experience that was going to give me the best chance to develop, the opportunity to make some mistakes and manage something that feels big."
Celtic are interested in Arne Engels' former Augsburg team-mate Elvis Rexhbecaj, who has 18 months remaining on his contract, despite the playerâs commitment to stay long-term.