He’s had his critics this season. Even during a spell of improved form under Philippe Clement, there are still those who feel that Rangers need better. But for Ibrox icon Kris Boyd, there is no better way for the £4.5 million man to ink his name into the Rangers history books for all the right reasons than by smashing a winner past Old Firm rivals Celtic on Sunday, while putting Clement’s side on track for only their second league title since 2011. The Gers, Boyd tells the Scottish Sun, need ‘a modern-day hero. Someone to step forward’. EnterCyriel Dessers, the once-maligned centre-forward who…