<page_title> Lou Gehrig </page_title> <section_title> Records </section_title> <table> <cell> Highest on-base percentage by a first baseman <col_header> Accomplishment </col_header> </cell> <cell> .447 <col_header> Record </col_header> </cell> <cell> Highest slugging percentage by a first baseman <col_header> Accomplishment </col_header> </cell> <cell> .632 <col_header> Record </col_header> </cell> </table>
Lou Gehrig had .632 slugging average and a .447 on base average.