Heine Groh of the New York Giants at the Polo Grounds circa 1912 by Brown Brothers.

Cy Seymour in his follow through, circa 1908.

Topsy Hartsel leaping for a ball at Spring Training circa 1914, image by Brown Brothers.

New York Giants Hooks Wiltse in Marlin, Texas for Spring Training. It is likely Christy Mathewson standing behind him the plaid coat, as this coat was a favorite of Mathewson. Image used for B18 blanket.

Harry Davis c. 1910 by Brown Brothers.

1914 New York Giants on Opening Day. Photo by The Article Syndicate, Paul Thompson’s photo agency. Christy Mathewson is at far left wearing his 1913 World Tour sweater. From the Michael Mumby Collection.

Image of what is presumed to be catcher Billy Sullivan of the Chicago White Sox.

Brown Brothers image of Harry Davis on the dugout steps.

Conlon image of Fred Toney of the Cincinnati Reds c. 1915-1917.

Olaf Henrickson of the Boston Red Sox c. 1912 by Boston Photo News Co.

In the 1914 World Series, the Boston Braves played their home games in Fenway Park. The ads on the walls match other known photos from 1914. Note the fans wearing hats with “BRAVES” in a band above the brim. Photo by American Press Association.

Rube Benton c. 1916 by Brown Brothers.