Answer
Napoli signed Gökhan Inler in 2011. The Swiss midfielder joined the Italian club from Udinese, where he had spent the previous six seasons. Inler quickly became a key player for Napoli, helping them win the 2012 Coppa Italia and the 2014 Supercoppa Italiana. He also played a significant role in Napoli's successful Champions League campaigns, reaching the knockout stages in both 2011-12 and 2013-14.