Carlos Mármol - Wikipedia
Aaron Rodgers briefly listed as Chicago Bears owner on Wikipedia after his 'I still own you' comment
Bob Rush (baseball) - Wikipedia
File:1913 Chicago Cubs.jpg - Wikipedia
File:Mordecai Brown, Chicago Cubs, baseball card portrait LCCN2008677458.jpg - Wikipedia
File:Wrigley-field-sign-daytime-in-chicago-ill-usa.jpg - Wikipedia
Addison Russell - Wikipedia
P. J. Higgins - Wikipedia
Focus On: 100 Most Popular Chicago Cubs Players: David Ross (baseball), Chuck Connors, Kris Bryant, Aroldis Chapman, Greg Maddux, Sammy Sosa, Pat Mahomes, Javier Báez, Ben Zobrist, Joe Girardi, etc. - Kindle
The Mess of the NL Central, Mervis Day, Amaya, Rules, Game Length, and Other Cubs Bullets - Bleacher Nation
Thomas S. Ricketts - Wikipedia