Borowski, yang mengalami cedera lutut kiri pada awal musim dan baru turun dalam sembilan pertandingan Bundesliga sejak Agustus mengatakan: Saya melihat transfer ini sebagai tantangan.
Borowski, who injured his left knee at the beginning of the season and has only played nine matches in the Bundesliga since August, said: I view this transfer as a real challenge in sporting terms.