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The much-travelled French forward enjoyed a loan spell at Anfield in the 2001/02 season, scoring five goals in 22 appearances. Playing for the likes of Arsenal, Real Madrid and Chelsea, a couple of Premier League titles, a Champions League winners' medal and 125 Premier League goals came close to qualifying him for a place in this team, but competition for places upfront is fierce.
The £20 million signing from Tottenham never settled after joining Liverpool in 2008, lasting just 28 games and scoring seven goals. The Republic of Ireland's all-time record goalscorer sits one place above Anelka on the Premier League's goal list with 126 and is Tottenham's 10th-highest scorer ever with 122 strikes.
Another big-money arrival a year after Keane in 2009, Aquilani was constantly dogged by injuries at the beginning of his Liverpool career, but he made 26 appearances in his first season.
That would prove to be his only full campaign at the club, though, with the Italian star loaned back to Serie A before a permanent switch to Fiorentina in 2012. With 33 caps for Italy, he may make his country's World Cup squad.
After a controversial switch across Stanley Park from Everton in 2000, Barmby scored just 16 minutes into his first ever Merseyside derby in red.
Although he was part of the Reds squad which won the FA, UEFA and League Cups, that goal was pretty much as good as it got for Barmby due to injury. His time at Liverpool came in the middle of spells at Tottenham, Middlesbrough, Everton, Leeds and Hull, whilst he won 23 England caps.
Bill Shankly made Hateley his record signing when he snapped him up from Chelsea for £96,000 in 1967.
Despite Hateley scoring 28 goals in his first season at the club, Shankly didn't like the direct way that his team played with the big man in the side, and the the prolific scorer for Notts County and Aston Villa was sold to Coventry after just a year.
Once the record holder for combined transfer fees in England, Hateley sadly died earlier this month.
An English record £2.9 million signing from Derby in 1991, Saunders lasted just a year at Liverpool during which he scored 23 goals, although just 10 in the league. The partnership with Welsh compatriot Ian Rush didn't quite work, and Saunders joined Aston Villa in 1992.
Prolific and popular at Chelsea and Coventry, Speedie was brought to the club by Kenny Dalglish in 1991 and immediately hit the ground running with a goal at Old Trafford and two in a Merseyside derby. However, Dalglish soon resigned, and new manager Graeme Souness didn't rate the Scottish forward, selling him to Blackburn after six goals in 12 games.