 Complete the following phrase:  Castiglia began to earn first-team call-ups during the 200708 Serie A campaign, by then coach, Claudio Ranieri. His senior debut came on 27 January 2008, when he came on as a substitute in a 13 away victory over Livorno in Serie A league match. He made one other senior appearance in Serie A for the club, coming on as an 89th minute substitute in a 33 draw at Sampdoria on the final matchday of the 