 Donati was given the number 18 jersey, vacated by ex-captain Neil Lennon and was unveiled at Celtic Park.He made his Celtic debut in their first league game of the season on 5 August, a 0–0 draw with Kilmarnock.In Celtic's next league game against Falkirk, Donati was involved in his side's equaliser when his shot hit Kenny Milne and went into the net; Celtic won the game 4–1.