April 26, 1921: Cleveland raises AL pennant; Tris Speaker uses 23

Money, Lies, and Backstabbing: The Cleveland Indians' Deal for Tris Speaker, 100 Years Ago, by Aaron Schmidt

April 26, 1921: Cleveland raises AL pennant; Tris Speaker uses 23 players in win over Detroit – Society for American Baseball Research

Boston Red Sox All-Time 25-Man Roster

Society for American Baseball Research

Baseball Americana

How many times has there been a tie in Major League Baseball (MLB) history? What happened when it happened and who was involved? - Quora

Honors and Awards - University of Alabama Athletics

Uncle Mike's Musings: A Yankees Blog and More: Dallas' All-Time Baseball Team

just four teams