 Complete the following phrase:  In the summer of 1999, he left for Serie B side S.S.C. Napoli in a co-ownership deal. He added 10 more goals to his Serie B tally, which also helped Napoli win Serie A promotion, after finishing the season in 4th place. At the end of the season, Napoli bought Stellones remaining registration rights, keeping him at the club. However, despite scoring on his Serie A debut the 