I'd drop Carlson and Ott to pick up Brunner and Callahan. Since your league doesn't do PIMS, Ott's value relative to Callahan's goes way down. Brunner has carried the Swiss magic that he had with Zetterberg, is PP1, scoring, and shooting the puck a lot. I don't see the value in you carrying 7 D when you only have to start 6 and Brunner will bring you more value than Carlson in almost every stat except BLKS; Callahan should help hedge on that loss.