This list, compiled by football transfer market experts at transfermarkt.co.uk, shows the club’s record departures including add-ons and would place a £7m total fee for Joao as the second-highest ever received by the Owls. But who is number one? Take a look.
1. = 20) John Harkes - £1.08m
A 90-cap USA international, Harkes left Wednesday for Derby for £1.08m in the 93/94 season. (transfermarkt.co.uk) Photo: Shaun Botterill
2. =20) Lee Grant - £1.08m
Goalkeeper Lee Grant signed for Burnley in 2010. He was last seen, incredibly, at Manchester United. (transfermarkt.co.uk) Photo: Matthew Lewis
3. 17) Gordon Watson - £1.31m
Striker Gordon Watson left Wednesday for Southampton for £1.31m in the 94/95 season. (transfermarkt.co.uk) Photo: Bob Thomas
4. 16) Ian Taylor - £1.35m
Battler Ian Taylor made only 14 appearances for the Owls before moving onto Aston Villa in 1994, becoming a club legend there. (transfermarkt.co.uk) Photo: Stu Forster