Ever since Frenchman Thierry Henry departed Arsenal for Barcelona in 2007, the Gunners have found it extremely hard to replace their legendary striker and his goals.

Robin van Persie had one exceptional season with the club after Henry's exit in the 2011/12 season winning the Premier league's golden boot, but after his team failed to win a trophy yet again since the 2005 FA Cup, he quit for rivals Manchester United.

This season, Arsene Wenger has used Olivier Giroud as his main striker with Nicklas Bendtner and Yaya Sanogo as backup. Sanogo and Bendtner have two goals between them and Giroud has failed to net in the big games.

So who does Wenger buy in the summer?

Whilst Chelsea have a similar problem to Arsenal, the blues have the financial power to bring in almost any player they want and it looks like Jose Mourinho has almost secured the signing of Atletico Madrid's Spanish striker Diego Costa, who has scored over 30 goals this season.

PSG's Edinson Cavani and Monaco's Radamel Falcao are both reportedly unhappy at their respective clubs but it remains to be seen as to whether Arsenal could afford any of these world class strikers so Wenger may be forced into looking closer to home.

Giroud has done well this season against smaller clubs and has actually netted 20 goals this season but he is probably only good enough to play backup.

Sanogo is young and promising and should be loaned out whilst Nicklas Bendtner looks set to leave the club in the summer.

Theo Walcott, meanwhile, has always requested to play as a striker for Arsenal but his manager has always seen him as a right winger.

Despite spending the majority of his Arsenal career out wide, last season Walcott did lead the line for the Gunners and scored an impressive tally of 21 goals in all competitions including two hat tricks.

Unfortunately for the 25 year-old, this season has been wrecked by injury but he has still netted six goals including a double against Manchester City.

Since signing for Arsenal from Southampton in 2007 as a 17 year-old, Walcott has scored 69 goals for the club, which is another impressive tally considering he has not always been in the team and he has played out wide.

In fact, he has a similar playing style to the great Thierry Henry as he uses his pace to get in behind the defenders, a tactic that obviously worked when Henry was at the club.

Arsenal fans will be desperate for their club to bring in a world class striker in the summer, but if they do not, Walcott could be the man to lead their line next season.

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