<page_title> 1921 Detroit Tigers season </page_title> <section_title> Starting pitchers </section_title> <table> <cell> Dutch Leonard <col_header> Player </col_header> </cell> <cell> 3.75 <col_header> ERA </col_header> </cell> </table>
Dutch Leonard was with a 3.75 ERA—the only pitcher with an ERA below 4.00.