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Boot testing is in full swing with Nike and adidas really turning up the heat in recent weeks. This summer is building up to be a fiercely contested battle between the rival brands, with both companys preparing to launch new boot silos ahead of the 2013/14 campaign.

Manchester United striker Danny Welbeck has been spotted testing what's believed to be Nike's forthcoming silo. Our boot-spy experts who are on high alert at this time of the year, caught the England international testing the black-out prototype boots at United's Carrington training ground.

As one of Nike's biggest up and coming players, Alex Oxlade-Chamberlain was never going to get away with switching boot silo's without us noticing! The England international and Arsenal winger was spotted today at Arsenal's training ground wearing a pair of Mercurial Vapor IX boots.

There was a massive shock in the boot world this weekend, as leading Nike athlete Fernando Torres stunned all by opting to wear adidas Predator football boots. Such a move could potentially signal a major coup by adidas, who may have lured Spain and Chelsea team-mates Fernando Torres and Juan Mata.

Mario Gomez has returned from Bayern Munich's mid-season Qatar break with a new gift - a pair of Nike Tiempo Legend IV's. The German goal machine has long been a PUMA athlete, but could this be the end of a five year association...

Ibrahimovic used PSG's winter break in Qatar to trial his black-out Nike Mercurial Vapor IX boots. The former Barcelona striker is still high priority when it comes to distributing early samples of new Nike boots and was spotted wearing them at his sides open training camp.

After three years of loyal service, the time has come for Kyle Walker to leave the Double Diamonds and move into the mighty American Swoosh. Walker has confirmed on Twitter he'll no longer be wearing Umbro, and has revealed the Nike boots he'll be wearing instead...

Nike's endless design stream has a huge bearing and influence on the future of boot design, so when one of their leading assets turns up to training wearing a mystery white-out prototype cleat, it's time to pay attention.

He's fast becoming Nike's go-to player for the latest prototypes. It's not the first time we've seen Neymar testing a blacked out pair of football boots – in fact, this is the third separate boot he's tested this year. This time though, things really are getting exciting. Mainly because we have no idea what he's wearing!

Following the frantic sell-out of the Nike GS we had a feeling we hadn't seen the last of the super-light speed boots. Mario Gotze has re-ignited fresh rumours that Nike could be preparing to land a second drop very soon.