If Rangers are looking for an answer to their profligate striker woes, then they need look no further than Hearts talisman Lawrence Shankland. About to enter the final year of his Tynecastle contract, the Scotland international striker was once again the man for the big occasion as the Jambos downed Celtic. With the 28-year-old hitman netting in the 2-0 Hearts win, it let Rangers off the hook after the Gers had slipped up v Motherwell in a weekend of reckoning at Ibrox. Rangers have seen their attack blunted by a combination of injury crisis and poor forward play and if ever there was evera no…