FA Cup · Midfielder · #10 · Republic of Ireland · 38 yrs
| Date | Type | From | To |
|---|---|---|---|
| 2023-07-21 | Free |  Hibernian HIB |  Ayr Utd AYR |
| 2022-07-01 | N/A |  Sunderland SUN | Hibernian HIB |
| 2020-08-01 | N/A |  Charlton CHA | Sunderland SUN |
| 2020-01-31 | Loan | Sunderland SUN | Charlton CHA |
| 2017-07-13 | Free |  Everton EVE | Sunderland SUN |
| 2017-07-01 | N/A |  Preston PRE | Everton EVE |
| 2016-08-31 | Loan | Everton EVE | Preston PRE |
| 2016-06-01 | N/A |  Sheffield Wednesday SHE | Everton EVE |
| 2016-02-01 | Loan | Everton EVE | Sheffield Wednesday SHE |
| 2014-01-11 | € 2M |  Spartak Moscow SPA | Everton EVE |
| 2010-08-23 | € 12M |  Celtic CEL | Spartak Moscow SPA |