Why? I mean, sure, fire him too, but why before Tucker? I think Trestman has a credibility problem if he fires the DC while his offense is performing poorly. Nobody cares about ST until it messes up (the bears every single game for 2 years) or does something great (the bears a long time ago). They've given up nearly 100 points in 6 quarters lol. I don't care how bad the offense is.