Maria Sharapova’s return in Stuttgart will bring tennis to a standstill | Kevin Mitchell

There is no denying the wildcard’s box-office appeal but many, including her opponent Roberta Vinci, do not approve of her presence so soon after a drugs banWhen the most marketable player in the history of women’s tennis steps on to a court in Stuttgart on Wednesday to hit competitively for the first time in 15 months – in peak, early-evening viewing time and fully four hours after the world No7 Johanna Konta – women’s tennis will hold its breath.If Maria Sharapova