<page_title> Lou Gehrig </page_title> <section_title> Records </section_title> <table> <cell> Highest slugging percentage by a first baseman <col_header> Accomplishment </col_header> <col_header> Single–season </col_header> </cell> <cell> .765 (1927) <col_header> Record </col_header> <col_header> Single–season </col_header> </cell> </table>
In 1927, Gehrig recorded a .765 slugging percentage.