You're my boy, Bruno! File this under "unstaged fights." Two undersized, visored guys going at it to resolve a wrong. As they said in Running Scared: "No autopsy, no foul."
The voters at Hockeyfights.com currently give the nod to Gervais, but credit to Stempniak for responding to Gervais' hit -- which must have felt like a mauling despite coming from the single arm of Gervais' 6'0", 190-ish frame.