I believe Wulff strength comments were based off his review of last years team. All indications are that they have made significant progress in that area.
My biggest concern was that may sacrifice quickness. I asked Joey knight if he noticed that from practice here's his reply
@TBTimes_Bulls: @SY800000 Not at all, from what I saw Day One. When you know where to run and what to do, you naturally do things faster.