In professional association football, a free transfer, also known as a Bosman transfer, involves a professional association football club releasing a player when the player's contract has expired or made available just before the end of the contract.
Sheffield United Football Club is a professional association football club based in the city of Sheffield, South Yorkshire, England.
 The team competes in the Championship, the second tier of English football.
 The football club was formed in 1889 as an offshoot of Sheffield United Cricket Club, and are nicknamed The Blades due to Sheffield's history of steel production.
 The club have played their home games at Bramall Lane since their formation in 1889.
 Bramall Lane is currently an all-seater ground with a capacity of 32,702.
Bramall Lane is a football stadium in Sheffield, South Yorkshire, England.
 It is the home of Sheffield United.
 As the largest stadium in Sheffield during the 19th century it hosted most of the city's most significant matches including the final of the world's first football tournament, first floodlit match and several matches between the Sheffield and London Football Associations that led to the unification of their respective rules.
 It was also used by Sheffield Wednesday and Sheffield F.C. for major matches.
 It has been the home of Sheffield United since the club's establishment in 1889.
 It is the oldest major stadium in the world still to be hosting professional association football matches.
Lewis Shay McGugan (born 25 October 1988) is an English professional footballer who most recently played as a midfielder for Sheffield Wednesday.
 He has also represented England at under-17 and under-19 levels.
Jan Lewis Bartram (born 6 March 1962 as Jan Louis Bartram), known simply as Jan Bartram, is a Danish former professional association football player in the midfielder position.
 He played for Scottish team Rangers F.C. and Bayer 05 Uerdingen in Germany, as well as Danish teams AGF and Brøndby IF.
 He earned 32 caps and scored five goals for the Denmark national football team and was in the Danish squad for the 1986 FIFA World Cup.
Sheffield Wednesday Football Club is a professional association football club based in Sheffield, England.
 The team competes in the Championship, the second tier of the English football league system.
 Formed as an offshoot of The Wednesday Cricket Club in 1867, they went by the name of The Wednesday Football Club until changing to their current name in 1929.
Association football is the national sport in England, where the first modern set of rules for the code were established in 1863, which were a major influence on the development of the modern Laws of the Game.
 With over 40,000 association football clubs, England has more clubs involved in the code than any other country as well as the world's first club (Sheffield F.C.), the world's oldest professional association football club (Notts County F.C), the oldest national governing body (the Football Association), the first national team, the oldest national knockout competition (the FA Cup) and the oldest national league (the English Football League).
 Today England's top domestic league, the Premier League, is one of the most popular and richest sports leagues in the world, with six of the ten richest football clubs in the world.
Lee Thompson (born 25 March 1982 in Sheffield, England) is a professional Association football midfielder currently playing for Boston United.
 He made almost 100 appearances in Football League Two for Boston United between 2002 and 2005.
Association football, more commonly known as football or soccer, can be traced to as far back as the Medieval period in Britain (medieval football).
 The modern game of association football originates from the formation of The Football Association in London, England in 1863 based on multiple efforts to standardize the varying forms of the game.
 This allowed clubs to play each other without dispute and which specifically banned handling of the ball (except by goalkeepers) and hacking during open field play.
 After the fifth meeting of the association a schism emerged between association football and the rules played by the Rugby school, later to be called rugby football.
 At the time, football clubs had played by their own, individual codes and game-day rules usually had to be agreed upon before a match could commence.
 For example, the Sheffield Rules that applied to most matches played in the Sheffield area were a different code.
 Football has been an Olympic sport ever since the second modern Summer Olympic Games in 1900.
Notts County Football Club is a professional association football club based in the city of Nottingham, Nottinghamshire, England.
 With records of games as early as 28 November 1862, Notts County is recognised as the oldest association football team in the world now playing at a professional level.
 Between 1888–89 and 2013–14 they played a total of 4,756 Football League matches – more than any other English team.
 The team plays in League Two, the fourth tier of the English football league system.
 County play their home games at Meadow Lane in black and white striped shirts.

Question: Lewis Shay McGugan was a midfielder who played for which professional association football from Sheffield, England?
Answer: Sheffield Wednesday