Fiorentina - with an announcement that appeared on its official website - have made the loan of Gerson from Roma official. Here is the press release:
"ACF Fiorentina announces that it has acquired on a temporary basis, the rights to the sports performances of the player Gerson Santos Da Silva from A.S. Roma. The new viola player born on May 20, 1997 in Belford Roxo, Brazil, collected 31 appearances between Serie A, Champions League and Italian Cup, scoring 2 goals last season for the Roman club. Gerson also has 10 appearances for the Brazilian National Under 20 team".
