ミラノダービー
On 6 August 2009, Huntelaar transferred to Serie A club A.C. Milan for €17.75 million, signing a four-year contract. On 29 August, Huntelaar made his competitive league debut for Milan coming on as a sub in the 0–4 loss to cross-city rivals Inter Milan in the "Derby della Madonnina". After a slow start, Huntelaar scored his first Milan goals on 29 November 2009 in a 0–2 away win at Catania, scoring twice after coming on in the 84th minute.