An overview of Chelsea's past few January signings

#1 Fernando Torres- Failure

FC Barcelona v Chelsea FC - UEFA Champions League semi-final

Fernando Torres's time at Stamford Bridge might have brought the club trophies with the Spaniard even scoring crucial goals on occasions. However, the striker failed to justify his £50 million price tag. At the time of his signing in January 2011, Torres became the sixth most expensive footballer in the history of the game and also set a new record for a British transfer.

His debut came in probably the harshest circumstances he could have imagined, in a 1-0 loss to former club, Liverpool. Torres's first goal for Chelsea, which came in 3-0 win against West Ham after 903 minutes of goalless football, remained his only goal for the club that season in 18 appearances.

The striker's struggle to find the net didn't conclude as he managed only six goals in the Premier League during the 2011-12 season. He did, however, score the famous goal against Barcelona in the 2nd leg of the Champions League semi-finals which sent the blues to the finals and also won the corner from which Drogba equalized in the finals.

In the 2012-13 campaign, Torres enjoyed his best season with the blues. Although his sluggish form continued domestically, the Spaniard bagged nine goals in European competitions.

He decided to return to his former club Atletico Madrid in January 2015 after finding the net merely 20 times in 110 league appearances. Despite leaving his finishing boots at Anfield, Torres helped the West Londoners win the Champions League, the FA Cup in 2012 and the Europa League in 2013.

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Other key mentions:

1) Branislav Ivanovic - January 2008 - Success

2) David Luiz - January 2010 - Success

3) Kevin De Bryne - January 2012 - Failure

4) Kurt Zouma - January 2014 - Yet to prove his worth (still at Chelsea)

5) Juan Cuadrado - January 2015 - Failure