Former Atalanta captain and Italy midfielder Cristiano Doni was one of 17 people arrested in connection with a match fixing and betting scandal in Italy on Monday.
Roma won their second game in a row to bring an end to Atalanta's unbeaten start to the season with a 3-1 triumph at the Stadio Olimpico.
Paraguay international Edgar Barreto has confirmed he has joined Palermo from Atalanta.
Newly-promoted Atalanta will start the new Serie A season with a six-point deduction while their captain, Cristiano Doni, has received a three-and-a-half-year ban from the game after the Italian Football Federation announced the punishments for alleged match-fixing.
Atalanta are set to begin the new Serie A campaign with a seven-point deduction for their part in the latest match-fixing scandal to rock Italian football.
Two Serie A clubs must face a committee investigating renewed claims of match-fixing in Italian football.
Tiberio Guarente has signed a five-year deal at Sevilla.
Atalanta gave much-travelled coach Bortolo Mutti the job of trying to steer them out of the Serie A relegation zone on Monday after Antonio Conte quit the Bergamo club last week.
Atalanta coach Antonio Conte has resigned from his post in charge of the Serie A strugglers.
Christian Vieri has torn up his contract with Atalanta, with reports claiming the fans' treatment of the former Italy striker played a major part in his decision.