Barnsley U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2017-07-01 | Jacob Brown | Barnsley U18 | Barnsley FC | — |
| 2015-01-22 | Jacob Brown | Guiseley U19 | Barnsley U18 | — |
| 2014-09-25 | Mason Holgate | Barnsley U18 | Barnsley | — |
| 2014-07-01 | James Bree | Barnsley U18 | Barnsley | — |
| 2013-07-01 | Paul Digby | Barnsley U18 | Barnsley | — |
| 2012-07-01 | John Stones | Barnsley U18 | Barnsley | — |
| 2011-01-01 | Jordan Clark | Barnsley U18 | Barnsley FC | — |
| 2010-07-01 | John Stones | Barnsley Yth. | Barnsley U18 | — |