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

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

Celebrate Presidents' Day with every presidential first pitch since FDR's

MLB home run leaders by US presidency

Ceremonial First Pitches – Pieces of History

In pictures: Presidential first pitches, US news

President Obama to throw out first pitch on Opening Day, by Nationals Communications

U.S. Presidents on Opening Day - The Atlantic

How many consecutive U.S. Presidents have thrown out a first pitch?

Celebrate Presidents' Day with every presidential first pitch since FDR's

Presidents Day: Ceremonial first pitches – Orange County Register

In pictures: Presidential first pitches, US news

From Taft to Obama: US Presidents throw the ceremonial first pitch at a major league baseball game

Ceremonial First Pitches – Pieces of History

Presidential Pastime — Google Arts & Culture