Terrell missed a few tackles last week against St.George, I think something like 38 tackles/3 missed/3 ineffective and efficiency around 86%.
I thought it was one of his less effective performances, probably playing longer minutes than he should be playing and it may be starting to take a toll.
If he's got the flaws that they claim, then I am pretty sure that Bellyache will try to expose those flaws today.
If that is the case then I reckon that will give the big fella something to work on and because he is as dedicated as he is, I'm sure that he will fix it.