It has been reported by the Italian news outlet that North London outfit Tottenham Hotspur are also interested in the defender, and are so are Spanish and Italian clubs.
Glik has been on the books of Torino since 2011 and has established himself as one of the better centre-backs in Serie A.
The 28-year-old central defender has created three chances in 28 Serie A appearances so far this season.
The Poland international has a pass accuracy of 89% and a shot accuracy of 47%, and has won 41 headers, 11 dribbles and 29 tackles.
During the 2014-15 campaign, Glik scored seven goals and created five chances in 32 Serie A matches for Torino.
Torino are 13th in the Serie A table at the moment with 33 points from 30 matches, just five points above the relegation zone.