baseballmanager

That is Clarence "Pants" Rowland (1879-1969) on the left. He managed the White Sox to a World Series Championship in 1917.
www.baseball-reference.com/managers/rowlapa99.shtml
en.wikipedia.org/wiki/Pants_Rowland
On the right is Eddie Collins, Sox starting second baseman in the 10-1-17 Sox-Yankees game, and later one of the original 13 Baseball Hall of Famers.
www.baseball-reference.com/players/c/collied01.shtml
sabr.org/bioproj/person/c480756d


This goes with the rest of the 10-1-1917 White Sox pictures from the Polo Grounds.
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en.wikipedia.org/wiki/Pants_Rowland Beulah (13 years old in 1917) was his daughter, s. fultonhistory.com/Newspapers%2023/Chicago%20IL%20Tribune/..., col. 7

She was still alive in 1981, when she donated his papers to the Chicago History Museum. ("Rowland's daughter, Beulah (Mrs. Frank D. Stafford), donated the collection of photographs, along with a small collection of papers in November 1981, when she moved from Chicago to Florida.") chsmedia.org/media/fa/fa/1983/447.htm

Snazzy pitcher's warmup coat! Cicotte was Chicago's starting pitcher that day (10/10/17, per the negative) en.wikipedia.org/wiki/1917_World_Series Chicago Manager "Pants" Rowland is on the right in this one. "Edward Victor Cicotte (June 19, 1884 – May 5, 1969), nicknamed "Knuckles", was an American right-handed pitcher in Major League Baseball best known for his time with the Chicago White Sox. He was one of eight players permanently ineligible for professional baseball for his alleged participation in the Black Sox scandal in the 1919 World Series, in which the favored White Sox lost to the Cincinnati Reds in eight games." en.wikipedia.org/wiki/Eddie_Cicotte

see