I think this is just a ploy by Croom. Either that or he is talking about depth. I think everyone knows that DT is solid...he probably has noticed that Love and Bowman know it too and is just making sure they are properly motivated. I wouldnt read into that too much - there will probably be a report from the scrimmage Sat. where Croom says "the DT's really stepped it up" or something to that effect.
As for Carpenter, I am with 8dog. I hate to lose the depth, but not a huge loss. Although I think Strauder is highly overrated, I dont think Carpenter had a shot at un-seating him. What position is freshman Tobias Smith playing? Word is, he has been impressive - he might be able to fill in immediately.