NFLRA President Carl Paganelli sent a “seven-word” message and a $40.000 fine publicly criticizing head coach Matt LaFleur for violating rules by repeatedly criticizing NFL referees, and Matt LaFleur responded harshly.

Matt LaFleur Confesses Packers 'Nightmare' Thanks to Eagles' Coach After  Announcing Injury Update - EssentiallySports

Referee in Buccaneers-Panthers game carted off after collision

Official Carl Paganelli suffers bloody lip during Dolphins-Jets scrap -  Yahoo Sports

Matt LaFleur Makes Decision On Packers Defensive Coaching Staff Changes -  Athlon Sports