Steelers head coach Mike Tomlin is under the microscope after his team has started the season 1-4.
Many are questioning his coaching decisions along with those he surrounds himself (offensive coordinator Matt Canada).
So, when Tomlin said "Good luck to Mike Sullivan and the @Penguins this season. Here's to a great year," some people on Twitter pounced at the opportunity to respond.
Here's a few of the things frustrated Steelers fans had to say:
