With players who begin to lose a step, and who may not be the most fleet-of-foot, a shift to the wing can remove some of the responsibility that a player is forced to take on from shift to shift, thus helping them to become more efficient with their energy and more effective with a lighter workload.
In addition, Friedman believes that the Leafs are looking to add some "tenacity" within their top-6. It's unclear as to whether or not the Buds would be willing to move someone within their top 6 to acquire such a player or if they'll simply wait to see who might be available in free agency.