Baseball Players Practicing

"Baseball Players Practicing, 1875, Thomas Eakins.
Courtesy of the Rhode Island School of Design Museum of Art.
Via Wikipedia

There are some modern teams who have old-fashioned uniforms. I always wondered why they didn't look more "authentic" until I saw this and realized the new ones are tighter, don't have big belts, and ... most important of all ... the players don't have handlebar mustaches!