Matthias Jaissle sees an opportunity, refusing to "waste energy" speaking about the game's financial rules, which have limited their overall spending power and heightened the need to trade. "I like challenges," the ex-Al-Ahli and Red Bull Salzburg manager said. Newcastle have made six signings in Lukas Hornicek, Ewen Jaouen, Amar Dedic, Sean Steur, Aladji Bamba and Bazoumana Toure, but the new arrivals are all aged 24 and under and will need time to adapt to the physicality and intensity of the Premier League.