| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2024/2025 | Dulwich Hamlet | Non League Premier | 0 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | Dulwich Hamlet | National League N / S | 25 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Dulwich Hamlet | National League N / S | 33 | 1 | 0 | 0 | 0 | – |
| 2020/2021 | Dulwich Hamlet | National League N / S | 3 | 1 | 0 | 0 | 0 | – |
| 2019/2020 | Ebbsfleet United | National League | 14 | 0 | 0 | 2 | 0 | – |
| 2019/2020 | Southend United | League One | 3 | 0 | 0 | 0 | 0 | 6.2 |
| 2017/2018 | Barnet | League Two | 19 | 0 | 0 | 2 | 1 | – |
| 2017/2018 | Crawley Town | League Two | 0 | 0 | 0 | 0 | 0 | – |
| 2016/2017 | Crawley Town | League Two | 32 | 0 | 0 | 9 | 0 | – |
| 2014/2015 | Blackpool | Championship | 3 | 0 | 0 | 0 | 0 | – |
| 2013/2014 | Maidenhead United | National League N / S | 2 | 0 | 0 | 0 | 0 | – |
| 2013/2014 | Plymouth Argyle | League Two | 6 | 0 | 0 | 0 | 0 | – |
| 2012/2013 | Inverness CT | Premiership | 2 | 0 | 0 | 0 | 0 | – |
| 2011/2012 | Celtic | Premiership | 3 | 0 | 0 | 0 | 0 | – |
| 2010/2011 | AFC Wimbledon | National League | 13 | 0 | 0 | 6 | 0 | – |
| Total | 158 | 2 | 0 | 19 | 1 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 07 Jan 2020 | Ebbsfleet | Dulwich Hamlet | Free | |
| 08 Feb 2019 | Barnet | Southend | N/A | |
| - | Crawley | Barnet | Free | |
| - | Maidenhead Utd | Blackpool | Free | |
| - | Dover | Maidenhead Utd | Free | |
| 03 Mar 2014 | Plymouth | Dover | Free | |
| 08 Jan 2013 | Wimbledon | Plymouth | Free | |
| - | Celtic | Wimbledon | Free | |
| 10 Jul 2012 | Inverness | Celtic | N/A | |
| - | Celtic | Inverness | Loan |
A. Blackman career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.