My inside mail this week is that Howe has a very bad corkey. No indication if it stops him playing, but add that to concussion it's not looking great.
Given he was all but knocked out by that knee to the forehead, you'd reckon J Howe would miss this week anyway.
http://www.afl.com.au/news/2018-08-02/pies-defenders-not-considered-to-face-swans