In this week’s Sport: we go behind-the-scenes at Formula 1 testing in Barcelona with McLaren and unveil their salvage mission as the new campaign gets underway in Australia | England full-back Mike Brown talks tenacity, trolls and Grand Slam Saturday in Paris | Olympic rowing champion Alex Gregory on racing his mates for a place in Rio | Newcastle keeper Rob Elliot tells us he’s ready for a relegation battle royale | We meet angry England fast bowler Katherine Brunt | British MotoGP riders Scott Redding, Bradley Smith and Cal Crutchlow are trying to stay out of trouble | Columnist David Flatman on why sport must stop stifling self-expression | Sport Uncovered: Ironman Alice Hector | Plus: Rebecca Adlington talks cake and icy 5am starts