The Buffalo Sabres should be in the market for an impact top-six forward after dealing winger JJ Peterka to the Utah Mammoth for defenseman Michael Kesselring and winger Josh Doan, but the opening weeks of free agency did not provide GM Kevyn Adams with an opportunity to replace Peterka’s production, either in a swap for defenseman Bowen Byram, or for a package of younger players, prospects, and/or draft picks.