Erling Haaland Man CityGetty Images

Gundogan, Haaland and Sancho - why Man City & Dortmund look to each other for next generation of stars

Ahead of their Champions League clash at the Etihad Stadium, it would be easy to suggest that there is not too much common between Manchester City and Borussia Dortmund.

One has the financial power to attract the best players in the world, the other has to sell to try to compete.

One is dominating domestically with four league titles in five years, the other is perennially in the shadow of their country's biggest club.

One has realistic ambitions of winning the Champions League, the other is hoping to go as far as they can and dreaming rather than anticipating European success.

But for all their differences in the boardrooms, on the pitch there are similarities that bond the way the two sides play.

A team ethic and individual talent that see City regularly raid Dortmund for first-team improvements and German scouts regular attend youth team fixtures to spy on the next generation of potential superstars.

Transfer business between the two has often brought both success in recent years.

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