In Saturday's Yorkshire derby, there is more at stake than just bragging rights.
Following Tuesday night's win at Charlton the Tykes know a win could lift them out of the relegation zone. And in recent meetings between the two sides, Barnsley hold the upper hand - in fact Leeds have not won at Oakwell since 1997:
Barnsley football club have issued an apology after heated exchanges between their players and fans following their 5-0 defeat against Huddersfield at the weekend.
An investigation was launched after midfielder Stephen Dawson and winger Brek Shea responded to a section of angry fans at the John Smith's Stadium on Saturday.
Barnsley fell to the bottom of the Sky Bet Championship table after suffering their biggest defeat of the season and Dawson became embroiled in a row with a fan while Shea is alleged to have made an offensive hand gesture.
A statement by the club said: " As a club, we do not condone any provocative actions from any of its employees and would like to further apologise for any offence caused.
Stephen Dawson has apologised unreservedly for his actions and will be making a substantial donation to Barnsley Hospice by way of an apology.
In relation to an alleged incident concerning Brek Shea the matter is currently under investigation and a further statement will be made upon Brek's return from international duty.
Barnsley Football Club would like to apologise unreservedly for any offence caused and assure supporters such actions will not be repeated."
Sheffield Wednesday will be looking to maintain their recent improvement under Stuart Gray against Barnsley, who desperately need points to follow the Owls out of the Championship relegation zone, as the sides meet in the South Yorkshire derby.
John Shires looks ahead to the game at Hillsborough:
Barnsley's new signings Liam Lawrence and Ryan McLaughlin could make their first appearances for the club while Brek Shea is poised for his home debut.
Boss Danny Wilson will be without defender Bobby Hassell (calf), midfielder Kelvin Etuhu (hamstring) and striker Marcus Pedersen (thigh). Winger Jim O'Brien has a groin problem, but is expecting to be included in the squad.
Wilson is still chasing his first win since returning to the club last month, with the Tykes without a win in their last six league games.