Schalke have signed Manchester City defender Matija Nastasic on a four-year contract after the German club activated a transfer clause in his contract . The 21-year-old was on loan at the Bundesliga outfit , but will now remain at the Veltins Arena on a permanent basis . A tweet from the club 's Twitter account revealed the news , stating : 'Schalke have activated the transfer clause with Nastasic and he will remain at SO4 . ' Manchester City defender Matija Nastasic ( right ) has joined Schalke on a permanent deal . The 21-year-old was on loan at the Bundesliga club , and they have now activated a transfer clause . Schalke boss Roberto Di Matteo has decided to make Nastasic 's loan deal at Schalke permanent . Speaking to Schalke 's website , Nastasic said of the move : ' I am proud and happy to remain at Schalke . From day one , I was immediately a part of the team . In the future I would like to help achieve our goals as a team . ' Nastasic made nine appearances during his loan spell at the club , including the full 90 minutes of their 4-3 win over Real Madrid in the Champions League on Tuesday night . The Serbia international defender joined Manchester City in 2012 , and immediately impressed in his first season at the club . He was named City 's Young Player of the Season in May 2013 , but was hampered by injury for much of the following season , losing his place in the starting line-up . The Serbia international impressed during his time at Manchester City , but was hampered by injuries . Nastasic won Young Player of the Year in May 2013 , but only made one appearance for City this season .
Manchester City defender Matija Nastasic has joined Schalke permanently . The 21-year-old was on loan at the Bundesliga club , and they have activated a transfer clause in his contract to keep him . He will be reunited with former manager Pep Guardiola who coached him for two years at Bayern Munich before he moved to Chelsea last summer. Nastasic joined Manchester City in 2012 , but struggled to hold down a first-team place after a season plagued by injuries . CLICK HERE for the latest Manchester City news .