The Serbian is not impressing during a loan spell at Inter Milan.
The Gers manager has high expectations of his backroom staff.
Everton goalkeeper TIm Howard believes Leighton Baines has played in the wrong position for his entire career.
Taking a look at three young Tottenham Hotspur players who are impressing at under-21 level this season.
Sebastian Polter is yet to score a league goal for Queens Park Rangers since joining from Mainz in the summer transfer window.
The former Marseille man has made a storming start to life in England.
The 20-year-old former Leeds United winger helped create the opening goal for the States in Tuesday night's 4-0 win over Panama.
Jan Vertonghen has praised the pre-season training under Mauricio Pochettino.
There are several issues that the new Liverpool manager will have to consider, and the goalkeeping position may be one of them.
Rangers faced their toughest test of the season against Falkirk last Saturday.
Manchester United's Radamel Falcao impressed on New Year's Day, despite his side's disappointing 1-1 draw with Stoke City.
QPR manager Harry Redknapp says he isn't sure whether he will be signing West Ham striker Mauro Zarate.
The midfielder was 'absolutely outstanding' against the Hammers, according to supporters.