With the Mets, Polanco — pending a physical — will mostly play first base, potentially designated hitter, and will provide insurance around the rest of the infield because of his versatility, league sources said. Sammon Over his 12-year career, Polanco has logged a total of 0 innings at first base. David Stearns has done this in the past. For example, while in Milwaukee and after signing Gold Glove second baseman Kolten Wong, he moved Keston Hiura to first base. Sammon