Chelsea's Gary Cahill, centre left, celebrates with John Terry after scoring his sides second goal during the Champions League round of 16 second leg soccer match between Chelsea and Galatasaray at Stamford Bridge stadium in London Tuesday, March 18, 2014 (Photo: AP)

Chelsea's Gary Cahill celebrates after scoring during their Champions League soccer match against Galatasaray at Stamford Bridge in London March 18, 2014 (Photo: Reuters)

Chelsea's Gary Cahill (CENTRE L) shoots to score during their Champions League soccer match against Galatasaray at Stamford Bridge in London March 18, 2014 (Photo: Reuters)

Referee Felix Brych,right, shows a yellow card to Galatasaray's Didier Drogba who holds out his hands during the Champions League last 16 second leg soccer match between Chelsea and Galatasaray at Stamford Bridge stadium in London, Tuesday, March 18, 2014 (Photo: AP)

Chelsea's Ramires, right, crosses the ball during the Champions League round of 16 second leg soccer match between Chelsea and Galatasaray at Stamford Bridge stadium in London Tuesday, March 18, 2014 (Photo: AP)

Chelsea's John Terry, right embraces his former teammate Galatasaray's Didier Drogba at the end of the Champions League last 16 second leg soccer match between Chelsea and Galatasaray at Stamford Bridge stadium in London, Tuesday, March 18, 2014 (Photo: AP)

Chelsea fans sit behind a banner of Didier Drogba during the Champions League last 16 second leg soccer match between Chelsea and Galatasaray at Stamford Bridge stadium in London, Tuesday, March 18, 2014. Drogba who played for Chelsea from 2004 to 2012 and made over 200 appearances for the club remains one of the fans favourite players, though he now plays for Galatasaray. (Photo: AP)

Galatasaray fans hold up their scarfs before their Champions League soccer match against Chelsea at Stamford Bridge in London March 18, 2014 (Photo: Reuters)

Schalke 04's goalkeeper Ralf Fahrmann (C) saves a header from Real Madrid's Cristiano Ronaldo (2nd R) during their Champions League last 16 second leg soccer match at Santiago Bernabeu stadium in Madrid March 18, 2014 (Photo: Reuters)

Real's Cristiano Ronaldo, second right, celebrates his goal with mates during a Champions League round of 16 second leg soccer match between Real Madrid and FC Schalke 04 at the Santiago Bernabeu stadium in Madrid, Tuesday, March 18, 2014 (Photo: AP)

Real's Cristiano Ronaldo, right, celebrates with Real's Gareth Bale after scoring during a Champions League round of 16, second leg, soccer match between Real Madrid and Schalke 04 at the Santiago Bernabeu stadium in Madrid, Tuesday March 18, 2014 (Photo: AP)

Real's Cristiano Ronaldo, 3rd left, celebrates with Real's Gareth Bale, 2nd left and Alvaro Morata during a Champions League round of 16, second leg, soccer match between Real Madrid and Schalke 04 at the Santiago Bernabeu stadium in Madrid, Tuesday March 18, 2014 (Photo: AP)

Schalke's Tim Hoogland, second left, partly seen, celebrates his goal with teammates during a Champions League round of 16 second leg soccer match between Real Madrid and FC Schalke 04 at the Santiago Bernabeu stadium in Madrid, Tuesday, March 18, 2014 (Photo: AP)

Real Madrid's Gareth Bale (L) is tackled by Schalke 04's Kyriakos Papadopoulos during their Champions League last 16 second leg soccer match at Santiago Bernabeu stadium in Madrid March 18, 2014 (Photo: Reuters)

Real's Cristiano Ronaldo, right, in action with Schalke's Joel Matip during a Champions League round of 16 second leg soccer match between Real Madrid and FC Schalke 04 at the Santiago Bernabeu stadium in Madrid, Tuesday, March 18, 2014 (Photo: AP)

Real's Jese Rodriguez cries out in pain during a Champions League last 16 second leg soccer match between Real Madrid and Schalke 04 at the Santiago Bernabeu stadium in Madrid, Spain, Tuesday March 18, 2014 (Photo: AP)

Schalke goalkeeper Ralf Faehrmann, left, gestures after Real's goal scorer Alvaro Morata, 2nd right, celebrates with Gareth Bale during a Champions League round of 16, second leg, soccer match between Real Madrid and Schalke 04 at the Santiago Bernabeu stadium in Madrid, Tuesday March 18, 2014 (Photo: AP)