The winners and losers in the races themselves have been determined, but, as is usually the case, not all winners and losers were decided when ballots were counted. The Working Families Party didn’t have any primary day races in Erie County, but party chairman Tom Roulley said the labor voices his party represents were the winners — and also the difference — in at least two high profile Democratic primaries. Jon Rivera won in his Democratic primary against incumbent State Senator Jeremy Zellner.