It’s that time of the year again and the January transfer window is in full swing. QPR manager Harry Redknapp is scouring the market for a new striker to boost his firepower for the second half of the season.

See the latest QPR and west London clubs transfer news here in our live blog.

The mid-season window is notorious for its last-minute, inflated purchases, but the Whites have had some success since FIFA made transfer windows compulsory during the 2002-03 season.

Here at getwestlondon, we have been asking readers via Twitter for their suggestions of QPR’s top five best and worst winter buys. Last week we showed you your favourite January recruits, so now here's the bottom five according to our followers.

1. Chris Samba from Anzhi Makhachkala 2012-13

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The big man was the most expensive player in Rangers history at £12million plus, and the biggest disappointment.

Samba was touted for arrival at Loftus Road over the previous two seasons, but when he Messiah-like he finally arrived the defender was clearly unfit following a lay-off at previous club Anzhi Makhachkala.

He played 10 times for Hoops, but was on a winning side just twice. On April Fool’s Day, the horror show at Fulham in a 3-2 defeat with Samba cast as Frankenstein was one of the last nails in Rs coffin.

2. Petter Vaagen Moen from Brann Bergen 2010-11

You win some: you lose some.

From the same background as Brede Hangeland at Fulham, himself a January transfer, the other Norwegian failed to make an impact in Rangers Championship title-winning season.

Hitting the scales at a mere 65kgs, the international was considered lightweight in every sense and made only eight appearances before returning to Norway the following season.

3. Taye Taiwo from AC Milan 2011-12

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Who he I hear some of you ask? And it wasn’t that long ago.

Touted at £3.5million should the loan have come to fruition, the Nigerian international with a heap of caps and Serie A appearances behind him was expected to make more of an impact.

In the end, it was the signing of home-grown Onuoha from Manchester City and the stalwart efforts of Clint Hill that owed as much to Rangers survival as anything produced by the so-so form of Taiwo.

The proof in the pudding came when manager Mark Hughes kept the £3.5m in his pocket at the end of the season.

4. Bobby Zamora from Fulham 2011-12

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OK, so it’s not the player’s fault his fee was an exalted £4.5million as he made the switch up the Fulham Palace Road.

But Rangers sincerely believed they were getting more goals for their dollar. Instead, Zamora’s two strikes that season produced just a point between them.

Fulham boss Martin Jol had a hard time concealing his glee as Zamora packed his bags.

“You know, when Bobby’s fit he’s excellent,” said the Dutchman, “he’s considered good enough for England. But recently, that hasn’t been as often as we would like, and this is excellent business for Fulham – and hopefully QPR.”

5. Rowan Vine from Birmingham City 2007-08         

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Hailed as the hero to elevate Rangers from their lowly Championship position – it all went horribly wrong for a man returning to west London after previously doing the business at Brentford.

His £1m transfer and £16,000-a-week over a four-year contract netted just five goals in 51 appearances.

Injured badly in April 2008 when he suffered a double break to his left leg, once recovered, Vine appeared to coast his way to the end of a lucrative contract despite a number of loan deals.

Later castigated by boss Neil Warnock for being overweight, the sad end came when Vine traded insults with an Rs supporter at a pre-season friendly against Boreham Wood, and then had a second pop after being forced to train with the youth team.

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Who is QPR's worst winter signing?

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