BARNSLEY, ENGLAND - MAY 17: Barnsley fans applaud the team as they take to the field during the Sky Bet Championship Play-off Semi Final 1st Leg match between Barnsley and Swansea City at Oakwell Stadium on May 17, 2021 in Barnsley, England. (Photo by Laurence Griffiths/Getty Images)BARNSLEY, ENGLAND - MAY 17: Barnsley fans applaud the team as they take to the field during the Sky Bet Championship Play-off Semi Final 1st Leg match between Barnsley and Swansea City at Oakwell Stadium on May 17, 2021 in Barnsley, England. (Photo by Laurence Griffiths/Getty Images)
BARNSLEY, ENGLAND - MAY 17: Barnsley fans applaud the team as they take to the field during the Sky Bet Championship Play-off Semi Final 1st Leg match between Barnsley and Swansea City at Oakwell Stadium on May 17, 2021 in Barnsley, England. (Photo by Laurence Griffiths/Getty Images)

Championship transfer rumours: Barnsley in tug of war for League Two star, Southampton eyeing January bid for Championship keeper

Over the course of the season, market values of players can change considerably, depending on runs of form, goals, promotion etc.

Similarly, if a team are to struggle or get relegated, their market value can plummet.

We have now witnessed a chunk of Championship fixtures and the start to each side’s campaign has already affected their market value – according to Transfermarkt’s data.

Click here to take a look at how Barnsley' s squad market value has changed compared to every other Championship side.

Meanwhile, here are the best of today’s Championship rumours...