| - | Kilmarnock | Colorado Springs | Free agent | |
01 Jan2023 | San Diego Loyal | Kilmarnock | Free agent | |
| - | Cheltenham | San Diego Loyal | Free agent | |
08 Sept2021 | Rotherham | Cheltenham | Free agent | |
| - | Fleetwood | Rotherham | Return from loan | |
| - | Rotherham | Fleetwood | Loan | |
07 Jan2018 | Blackpool | Rotherham | Transfer | |
07 Jan2016 | Peterborough | Blackpool | Free agent | |
| - | Shrewsbury | Peterborough | Return from loan | |
01 Aug2016 | Peterborough | Shrewsbury | Loan | |
01 Mar2016 | Dag & Red | Peterborough | Return from loan | |
11 Jun2015 | Peterborough | Dag & Red | Loan | |
06 Jan2015 | Oxford Utd | Peterborough | Return from loan | |
| - | Peterborough | Oxford Utd | Loan | |
11 Nov2013 | Bishop's Stortford | Peterborough | Transfer | |
07 Jan2013 | Chelmsford | Bishop's Stortford | Free agent | |
12 Jul2012 | Sutton | Chelmsford | Free agent | |
| - | Dover | Sutton | Free agent | |
10 Nov2011 | Brentford | Dover | Free agent | |
| - | St. Albans | Brentford | Return from loan | |
02 Jan2011 | Brentford | St. Albans | Loan | |
10 Sept2010 | Woking | Brentford | Return from loan | |
09 Oct2010 | Brentford | Woking | Loan |
K. Vassell transfer history tracks all club moves during the professional career, including transfer dates and teams involved.