Not to be outdone in the eternal ‘which code is superior?’ argument, the NRL announced new rules around player concussions a day after the AFL updated its medical guidelines. NRL players will also have to wait 11 days after a concussion before being allowed back on the field. “There is no greater priority for us than player safety,” said league chairman Peter V’landys. The new rule – in effect from today – will mean that concussed players will miss at least one game. And for the AFL inclined, you probably already know that the season kicks off tonight, with Richmond playing Carlton their traditional season opener at the MCG. Punters are tipping a Melbourne, Brisbane or Geelong premiership, and there’s pretty consistent agreement that Hawthorn is in for a stinker of a season with its young/inexperienced lineup and continuing fallout from last year’s racism row. May the best team win…