[3] After Venezia's owner Maurizio Zamparini purchased Palermo, he joined the Sicily side along with team-mate: Daniel Andersson, Bilica, Igor Budan, Francesco Ciullo, Kewullay Conteh, Di Napoli, Valentino Lai, Filippo Maniero, Antonio Marasco, Francesco Modesto, Frank Ongfiang, Generoso Rossi, Mario Santana, Evans Soligo, Ighli Vannucchi and William Viali.
In summer 2003, he was loaned to Serie A side Chievo along with Mario Santana, with Eugenio Corini moved to opposite direction.
[17] He also played at 2000 UEFA European Under-21 Football Championship qualification, substituted Roberto Baronio, Gianni Comandini, Cristiano Zanetti respectively.
In the last group stage match against Belarus U21 in October 1999, Morrone was in the starting XI, partnered with Roberto Baronio, Gennaro Gattuso and Andrea Pirlo in midfield.
That match Giulio Falcone, Christian Terlizzi, Gennaro Delvecchio, Massimo Gobbi, Angelo Palombo and Tommaso Rocchi also received their first call-up.
On 6 November 2019, Morrone was appointed assistant manager to Fabio Grosso at Brescia Calcio, whit whom he had been friends win for several years.