The Sheffield Star has claimed that both Bolton Wanderers and Leeds United are interested in the 26-year-old, and it has now been reported that Blackburn have joined the race for the services of the Scotsman.
Maguire has been on the books of Wednesday since 2012 and is a very good player - at the Championship level at least.
The former Derby County man scored eight goals and created 71 chances in 42 appearances in the Championship last season.
The Scotsman had a pass accuracy of 74% and a shot accuracy of 41%, and won 18 headers, 60 dribbles and 76 tackles.
During the 2013-14 campaign, Maguire scored nine goals and created 62 chances in 27 Championship games for Wednesday.
The former Aberdeen player had a pass accuracy of 76% and a shot accuracy of 41%, and won 14 headers, 20 dribbles and 56 tackles.