December 26, 1906 In an effort to prevent hitt…

December 26, 1906

In an effort to prevent hitters from rubbing out chalk lines, National League umpire Hank O’Day suggests white rubber strips be used to mark out the batter’s box. The former right-handed pitcher and future Hall of Famer will interrupt his 30-year umpiring career to manage the Reds in 1912 and the Cubs in 1914, becoming the only person ever to play, manage, and umpire for a full season in the major leagues.