In this week’s Sport: Maria Sharapova on the grit and the glory at the top of women’s tennis | Sam Burgess, rugby’s latest cross-code star, on his early life in union | World welterweight champ Kell Brook talks surviving a grisly attack and defending his title | Welsh rugby star Jamie Roberts talks Taylor Swift, Will Smith and not being married with kids | Chelsea Ladies boss Emma Hayes on her journey through football | Hull keeper Allan McGregor is ready for his side’s survival fight
