In this week’s Sport: A question of race – is football failing ethnic minorities? Sport investigates an ugly side to the supposedly beautiful game | Heptathlon superstar in the making Morgan Lake on competing against her role models | Britain’s number-one squash player Nick Matthew reveals his plan to take on Wolverine | Downhill mountain bike world champ Gee Atherton on the injury he fears most | Plus: James Haskell talks being a workaholic and boasting two tickets to the gun show