Tottenham Hotspur star Dele Allie weaves through three defenders before whipping a cross into the feet of Harry Kane. You jump out of your seat, only to let out a groan as the linesman blows his whistle and raises a flag for offside. But was it offside? You're not so sure. If only you could get a different perspective... Enter the BT Sport app. The British broadcaster has announced today that it will soon offer 360-degree highlights and instant replays. They will be shown alongside standard replays for "a minimum of" 20 sporting events — including the UEFA Champions League, the Premier League, the FA Cup and World Title boxing — over the next six months.