Jake Niall and Marc McGowanNorth Melbourne ruckman Tristan Xerri will face the tribunal on Monday or Tuesday night on the allegation he wiped blood on Essendon’s Andy McGrath during Saturday night’s game. Speaking outside the MCG on Sunday, AFL chief executive Andrew Dillon condemned Xerri’s actions, saying it was “something we don’t want to see”. “That’s been assessed by the match review officer [Michael Christian], and it will go directly to the tribunal, and that will either be heard on Monday or Tuesday night,” Dillon said. “It’s not something we want to see on our fields.” Based on precedent and AFL rules, Christian will confirm on Sunday that Xerri has been charged with conduct unbecoming, meaning his matter will head straight to the tribunal, where he faces a possible suspension if found guilty. Christian reviews incidents the day after a game, delivering his explanations and sanctions that afternoon.…