On this day in history, April 14, 1910, President Taft throws out first pitch at MLB game

April 14, 1910: Walter Johnson impresses President Taft on Opening Day – Society for American Baseball Research

How MLB's Presidential First-Pitch Tradition Got Started and Evolved to Today, News, Scores, Highlights, Stats, and Rumors

Baseball's Opening Day and the Presidents Who Threw Out the Pitches

The White House Bullpen: Ceremonial First Pitches by U.S. Presidents

President Taft Starts a Baseball Tradition in Washington, 1910

MLB Opening Day: President First Pitches, Obama, Bush, Clinton, JFK

Throwback Photo of the Day: President Taft throws a ceremonial first pitch to Walter Johnson

For Presidents' Day, here's Dennis El Presidente Martinez's first pitch in the 2016 World Series

Baseball's Opening Day and the Presidents Who Threw Out the Pitches