The U.S. women’s soccer team might have just left $10 million in endorsements on the table after Sunday’s shocking loss to Japan in the 2011 FIFA Women’s World Cup.

The 2011/12 Primera Division campaign marks the 30th anniversary of the introduction of football shirt sponsorship in Spain.

League One clubs Sheffield United Football Club and Sheffield Wednesday Football Club announced at a joint news conference that they will share headline sponsors for the forthcoming season (2011/12) in a collaborative ‘twin sponsorship’ featuring two of Sheffield’s most recognised business names.

German football club TSG 1899 Hoffenheim has become the latest Bundesliga side to announce a multi-million euro sponsorship deal with a solar energy company, after agreeing a three-year deal with Chinese firm Suntech Power.

Manchester City football clubs’ £400m ($642.2m) sponsorship deal with Etihad Airways – both owned by Abu Dhabi – it has taken the title as football’s biggest sponsorship deal ever and will no doubt leave its Premierships rivals green with jealousy.

What follows are ten other equally impressive mega bucks deals by top European football clubs

Wigan Athletic have announced the most lucrative shirt sponsorship in the club’s history after agreeing a two year deal with online betting brand 12BET

Johnson & Johnson announced that the company has entered into an agreement to become a global sponsor of the 2014 FIFA World Cup Brazil™, becoming the eighth and final FIFA World Cup™ Sponsor.

Villarreal CF has signed an agreement with Xtep for the prestigious Chinese brand to become the official technical sponsor of the club

Indesit has become a premium AC Milan for next season. The two parties signed a new agreement that will keep the visibility of the brand at the top of European Football.

The Chinese national team will have the funds to pursue to top foreign coach after real estate giants Dalian Wanda agreed a massive three-year deal to sponsor the game in China