La Liga champion Real Madrid have been heavily involved in transfer speculation in recent days as Jose Mourinho is looking to keep Los Blancos ahead of rivals Barcelona.

Real scored a league high 121 goals last season, with talisman Cristiano Ronaldo netting 46 of them. However, according to reports boss Jose Mourinho could be set to add more firepower in the form of Ronaldo's former Manchester United teammate Carlos Tevez.

After two successful seasons together at Old Trafford, including a Champions League title, a FIFA Club World Cup win, and two Premier League titles, the pair left the famed English club in the summer of 2009. The Sun is now reporting that they may be reuniting.

According to the report, Madrid have asked to be put on notice if Tevez becomes available. The price tag is thought to be around £25 million, a valuation that no club met when Manchester City tried to ship him out last season. Tevez is coming off a tumultuous season at the Etihad in which a disagreement with manager Roberto Mancini consigned the forward to the bench for most of the year.

Any questions about the 28-year-old's talent were put to rest upon his return to the club on March 21 after a six-month absence. Tevez wasted no time after coming on as a substitute in the 65th minute against Chelsea and assisted Samir Nasri's winner. He finished with four goals and three assists in 10 games following his return.

While a deal for Tevez still appears unlikely at this stage, there appears far more weight behind Real's interest in Tottenham playmaker Luka Modric. The Croatian is currently enjoying a break following his side's elimination from Euro 2012. The 26-year old is hungry to play for a title-contending team and has been trying to leave White Hart Lane since last year.

The Daily Mail reports that his top destination is Real Madrid, despite heavy interest from both Manchester United and Paris Saint-Germain. Modric is reportedly going to cost at least £30 million, a which many clubs will consider value for money given his performances over the past two seasons.