MLB home run leaders by US presidency

Verlander holds Twins scoreless, Alvarez and Altuve power Astros to 6-4 victory in ALDS opener – WWLP

The Most Home Runs in a MLB Single-Season

List of Major League Baseball career home run leaders - Wikipedia

Hack Wilson: the hard-living Chicago Cubs star whose epic 1930 endures, MLB

Hank Aaron: Barack Obama, David Ortiz, other notables offer condolences after legend's death - The Boston Globe

Ball hit for Ruth's 60th homer part of baseball lore in Cooperstown

Who has hit the most home runs in MLB per U.S. Presidency?

Ceremonial First Pitches – Pieces of History

UAW's confrontational leader makes gains in strike talks, but some wonder: Has he reached too far?

USA TODAY Newspaper : MARK McGWIRE BREAKS SINGLE SEASON HOME RUN RECORD

Home Run Records by MLB Teams During a Single Season