There are a lot of positives to take away from Celtic’s draw with Rangers at Ibrox this afternoon. No dropped points means that Brendan Rodgers still sits on top of the league and it also means that when it really mattered, Rangers could still not muster a positive result in a Glasgow Derby when it really mattered. Make no mistake, Rangers had to win at Ibrox today and it seemed like they were going to try and get that win by any means necessary. Fabio Silva played a crucial part in Rangers getting a draw at Ibrox today. His dive at the penalty award sparked a Rangers fightback when it looked …