Substitute Blair Spittal scored a late winner as Hearts eventually ground down nine-man Hibernian to take a big step towards the Premiership title with a 2-1 Edinburgh derby victory at Easter Road. On a day of high drama in the race for the Scottish crown, the Jambos fell behind early on to a Martin Boyle goal. But Hibs soon had keeper Raphael Sallinger sent off, before Felix Passlack was also dismissed just three minutes into the second half. Hearts made heavy weather of finding their way back into the game but eventually eked out victory as Lawrence Shankland’s flick led to an own goal by Warren O’Hora and Spittal grabbed the winner, with substitute Sabah Kerjota creating both goals for Derek McInnes’ side. There were delirious scenes as Hearts celebrated victory at rivals Hibs (Getty) It came after Rangers FC suffered a serious title blow with a 3-2 defeat by Motherwell at Ibrox.…