I doubt that the overthrow by Charlie could have been caught, but from the camera angle that showed the replay, it looks like Wallace could have at least gotten a hand on it.
It's just another example of a lack of effort. And right after he blew the catch on the sideline. You'd think he would at least want it to appear he was trying so he could score a bigger contract when the Steelers let him walk.
I'll be glad when he is gone.