Hicks or Brown?

Should I pick up Jordan Hicks or Preston Brown off the waiver wire for my Dynasty League?  Also, would you be willing to drop Trevathan for one of these guys?  I'm deep at LB already, but trying to add young depth to my taxi squad.  

Scoring:  Tackles 1.5, Assists 0.75, TFL 3, Sacks 4, Pass Defended 1.5, FF 4, FR 4, INT 6.

Preston Brown, starting and in a good place in Rex Ryans D...Hicks is going to the bench, Brown easy

Makes sense.  Appreciate your help!