6. Alex Oxlade-Chamberlain

Arsenal's last shopping trip to Southampton's academy came in 2011 and was a costly one at that, beating stiff competition to sign Alex Oxlade-Chamberlain in a deal that could still cost a total of £15m in add-ons.

Oxlade-Chamberlain had more than 40 senior appearances under his belt with Saints but from a development standpoint could probably have done with more regular first-team football before making the leap to Arsenal, despite possessing a unique mix of pace, power and technical ability.

The 20-year-old has played more than 60 times for Arsenal's first team but is still largely viewed as an impact substitute, a trend that will need to change quickly for England to get the full benefit of on their brightest young stars at international level.

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