In the finest spirit of Canadian football, we proudly present five players to watch — along with a rouge! The expansion of this elite group to a sextet accounts for the obvious, essential inclusion of Trevor Harris, who is to start at quarterback for the Saskatchewan Roughriders in Friday’s CFL pre-season game against the host Winnipeg Blue Bombers. Harris did not play in Saskatchewan’s pre-season opener — a 30-27 victory over the visiting B.C. Lions on May 27 — but is now poised for a much-anticipated debut. What will it be like to wear a Roughriders uniform for the first time…