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With Shinji Kagawa set for a £12 million transfer (rising to £17 million depending on appearances, goals...etc.) to Manchester United, the signing from Borussia Dortmund represents change at Old Trafford.

According to BBC Sport—who never report on mere speculation—United have agreed, in principle, to a deal to sign the 23-year-old trequartista. Only personal terms with the player—negotiations which the Red Devils expect to run smoothly—have yet to be agreed.

The Japan international has had another stellar season in the Bundesliga, with his 20 goals and 14 assists in all competitions being vital to his team.

If the deal to sign the former Cerezo Osaka star does go through, the signing will signify some significant changes at United—as Kagawa is the type of player the Premier League giants don't have.

So here are the five main on-pitch changes Manchester United will make for the 2012-13 season, after they sign Shinji Kagawa.