Alessio Romagnoli leaves AC Milan after seven years. The 27-year-old defender, former club captain, has signed a five-year contract with Lazio.
Romagnoli made 247 appearances for AC Milan, which won the Italian title for the first time since 2011.
The twelve-time Italian international has previously played in Rome. From 2012 to 2014 he played for AS Roma, the rival of Lazio.
AC Milan lost another player. Winger Samu Castillejo will play in Spain for Valencia from next season.