FA Cup · Attacker · #16 · Italy · 34 yrs
| Date | Type | From | To |
|---|---|---|---|
| 2025-10-16 | Free agent |  Sampdoria SAM |  Salford City |
| 2023-07-10 | Free |  Fatih Karagümrük KAR | Sampdoria SAM |
| 2021-01-05 | Free |  Verona VER | Fatih Karagümrük KAR |
| 2020-01-14 | N/A |  AC Milan MIL | Verona VER |
| 2018-07-01 | € 6M |  Sunderland SUN | AC Milan MIL |
| 2017-07-01 | Loan | Sunderland SUN | AC Milan MIL |
| 2015-08-31 | € 10M |  Liverpool LIV | Sunderland SUN |
| 2014-05-14 | N/A | Sunderland SUN | Liverpool LIV |
| 2013-09-02 | Loan | Liverpool LIV | Sunderland SUN |
| 2012-07-16 | € 13.3M |  AS Roma ROM | Liverpool LIV |
| 2012-01-24 | € 4.6M |  Parma PAR | AS Roma ROM |
| 2011-08-31 | Loan | Parma PAR | AS Roma ROM |
| 2011-07-01 | Free |  Chelsea CHE | Parma PAR |
| 2011-03-17 | Loan | Chelsea CHE |  Swansea SWA |