| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Spartans | League Two | 5 | 0 | 0 | 0 | 0 | – |
| 2024/2025 | Spartans | League Two | 13 | 3 | 0 | 0 | 0 | – |
| 2023/2024 | Spartans | League One | 4 | 1 | 2 | 2 | 0 | – |
| 2023/2024 | Spartans | League Two | 18 | 0 | 0 | 2 | 0 | – |
| 2022/2023 | Falkirk | League One | 2 | 0 | 0 | 1 | 0 | – |
| 2021/2022 | Falkirk | League One | 10 | 3 | 0 | 2 | 0 | – |
| 2021/2022 | Dunfermline | Championship | 6 | 0 | 0 | 2 | 0 | – |
| 2020/2021 | Dunfermline | Premiership | 2 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Dunfermline | Championship | 23 | 2 | 0 | 4 | 0 | – |
| 2019/2020 | Dundee Utd | Championship | 19 | 0 | 0 | 3 | 0 | – |
| 2018/2019 | Dundee Utd | Premiership | 4 | 0 | 0 | 0 | 0 | – |
| 2018/2019 | Dundee Utd | Championship | 23 | 4 | 0 | 1 | 0 | – |
| 2017/2018 | Falkirk | Championship | 17 | 0 | 0 | 2 | 0 | – |
| 2016/2017 | Falkirk | Premiership | 1 | 0 | 0 | 0 | 0 | – |
| 2016/2017 | Falkirk | Championship | 11 | 0 | 0 | 1 | 0 | – |
| 2015/2016 | Falkirk | Premiership | 3 | 0 | 0 | 0 | 0 | – |
| 2015/2016 | Falkirk | Championship | 27 | 3 | 0 | 1 | 0 | – |
| 2014/2015 | Raith | Championship | 36 | 1 | 0 | 4 | 0 | – |
| 2013/2014 | Raith | Championship | 22 | 1 | 0 | 0 | 0 | – |
| 2012/2013 | Livingston | Division 1 | 9 | 3 | 0 | 1 | 1 | – |
| 2011/2012 | Livingston | Division 1 | 2 | 1 | 0 | 0 | 1 | – |
| Total | 257 | 22 | 2 | 26 | 2 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Falkirk | Spartans | Free agent | |
| - | Dunfermline | Falkirk | Free agent | |
| 07 ene 2020 | Dundee Utd | Dunfermline | Free agent | |
| - | Falkirk | Dundee Utd | Free agent | |
| - | Raith | Falkirk | Free agent | |
| - | Livingston | Raith | Free agent | |
| 08 ene 2009 | Ipswich | Livingston | Free agent |
P. Watson career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.