Hearts take a four-point lead over Rangers into a massive Premiership title clash at Tynecastle (PA) Hearts face another huge test of their Premiership title credentials as they face Rangers at Tynecastle. The leaders are four games away from a first league title since 1960 and breaking the Old Firm’s stranglehold of the Scottish top-flight. Hearts negotiated nine-man Hibs last weekend and could go three points clear of Celtic with three games to go with a win today. Rangers are in “must-win” territory now having lost to Motherwell at Ibrox last weekend ; lose at Tynecastle and Danny Rohl’s side will be seven points off the pace and surely out of the running. Derek McInnes insisted his Hearts side were still “underdogs” in the title race but the Jambos have performed well against the Old Firm clubs this season and have already beaten Rangers and Celtic twice each. Another three points would take Hearts a step closer to a history title and one of the biggest shocks Scottish football has produced.…