When Brazil travel to Middlesbrough to take on England on Saturday, there is one player everyone will have their sights set on – Marta.The Brazilian legend is the all-time top scorer for her country, has been a flag bearer at a home Olympics, received a phone call from legendary striker Pele when she was a teenager and is largely considered the greatest player of her generation.But what makes her so special?Record-breaking goals Marta’s seven goals in China in 2007 led Brazil to their first ever Women’s World Cup final. At this year’s tournament in France, the 33-year-old became the first player to score at five World Cups with a penalty against Australia.Then less than a week later, her goal in a 1-0 win over Italy made her the all-time leading goal scorer in World Cup history with 17, moving ahead of Germany men’s striker Miroslav Klose (16).With 112 goals in 147 appearances, Marta has a better minutes-per-goal ratio than any other Brazilian – and she has netted more than a quarter of her side’s World Cup goals.The world’s best on six occasionsBetween 2006 and 2010, Marta won five successive Fifa World Player of the Year awards and remains the only…