Barnsley have had some players that have made a significant impact at Oakwell over the years, before moving on in favour of clubs elsewhere.
The Tykes are currently sat 12th in the Championship after 27 matches this term, and will be hoping they can put together a strong run of form to finish in the top-half of the table.
But did these 15 former Barnsley players leave for a higher or lower fee than what they arrived for? Test your knowledge in our quiz! (Statistics sourced from Transfermarkt)