WTA and Mercedes-Benz pen decade-long deal said to be worth $500m Sport Business The WTA (Women’s Tennis Association) has penned a decade-long partnership agreement with Mercedes-Benz believed to be worth as much as $500m (£376m). The deal, announced at the Mercedes factory in Stuttgart with WTA co-founder Billie Jean King and 20-time grand slam winner Roger Federer in attendance, will see the automotive behemoth become a “premier partner” [...]