PLEASE NOTE: To avoid confusion, this player is not currently registered, and has never played for, Aylesbury United FC. Details provided here are for information purposes only, and statistics should not necessarily be regarded as 100% accurate.
| Season | Club | League | Cup | Total | ||||
|---|---|---|---|---|---|---|---|---|
| Apps | Goals | Apps | Goals | Apps | Goals | |||
| 2007/08 |  Sunderland |
3 | 0 | 1 | 0 | 4 | 0 | |
| 2008/09 | Sunderland |
1 | 0 | 0 | 0 | 1 | 0 | |
| 2008/09 | Charlton Athletic (loan) |
7 | 1 | 0 | 0 | 7 | 1 | |
| 2009/10 | Sunderland |
0 | 0 | 0 | 0 | 0 | 0 | |
| 2009/10 | Leicester City (loan) |
43 | 12 | 6 | 0 | 49 | 12 | |
| 2010/11 | Sunderland |
2 | 0 | 1 | 0 | 3 | 0 | |
| 2010/11 | Leicester City |
30 | 4 | 2 | 0 | 32 | 4 | |
| 2011/12 | Leicester City |
4 | 1 | 1 | 0 | 5 | 1 | |
| 2011/12 | Hull City (loan) |
5 | 1 | 0 | 0 | 5 | 1 | |
| 2012/13 | Leicester City |
24 | 3 | 4 | 0 | 28 | 3 | |
| 2013/14 | Leicester City |
2 | 0 | 2 | 0 | 4 | 0 | |
| 2013/14 | Millwall (loan) |
14 | 3 | 0 | 0 | 14 | 3 | |
| 2013/14 | Wigan Athletic |
15 | 5 | 2 | 0 | 17 | 5 | |
| 2014/15 | Wigan Athletic |
23 | 3 | 1 | 0 | 24 | 3 | |
| 2015/16 | Glasgow Rangers |
25 | 20 | 11 | 8 | 36 | 28 | |
| 2016/17 | Glasgow Rangers |
32 | 8 | 9 | 8 | 41 | 16 | |
| 2017/18 | Glasgow Rangers |
0 | 0 | 1 | 0 | 1 | 0 | |
| 2017/18 | Ipswich Town |
44 | 16 | 2 | 0 | 46 | 16 | |
| 2018/19 | Derby County |
36 | 9 | 8 | 4 | 44 | 13 | |
| 2019/20 | Derby County |
43 | 12 | 4 | 0 | 47 | 12 | |
| 2020/21 | Derby County |
32 | 5 | 0 | 0 | 32 | 5 | |
| 2021/22 | Coventry City |
27 | 1 | 2 | 0 | 29 | 1 | |
| 2022/23 | Coventry City |
11 | 1 | 2 | 0 | 13 | 1 | |
| 2022/23 | Huddersfield Town (loan) |
13 | 1 | 0 | 0 | 13 | 1 | |
| 2023/24 | Derby County |
24 | 7 | 3 | 0 | 27 | 7 | |
| 2024/25 | Northampton Town |
6 | 0 | 2 | 1 | 8 | 1 | |
| 2025/26 | Anstey Nomads |
|||||||
| 2026/27 | Anstey Nomads |
1 | 0 | 0 | 0 | 1 | 0 | |
| Italics = player was on loan | ||||||||
| Totals: | 467 | 113 | 64 | 21 | 531 | 134 | ||
