Joe Kiefer 1920
 

Joseph William Kiefer colorized with the Chicago White Sox from an image shared by rrb77, background assist from Palette.fm

Al Tesch 1915
 

Albert John Tesch colorized from an image shared by Cinemaodysseu

Al Schulz 1912
 

Albert Christopher Schulz colorized with the New York Highlanders from an image shared by rrb77. Background assist by palette.fm

Bill Swanson 1914
 

William Andrew Swanson colorized from an image shared by cusick

Bill Steele 1910
 

William Mitchell "Big Bill" Steele colorized with the St Louis Cardinals with background assist from Palette.fm

Roy Crumpler 1920
 

Roy Maxton Crumpler colorized from a minor league image shared by Cusick.

Admiral Schlei 1904
 

George Henry "Admiral" Schlei colorized with the Cincinnati Reds. Original image was shared by tnfoto. background assist by Palette.fm

****EDIT*****
I have been sent some additional images for the Admiral. The first is a more proper representation of Schlei in a 1904 Cincinnati Reds uniform and cap while the other depicts Schlei with the New York (Baseball) Giants.

Al Schacht 1919
 

Alexander Schacht colorized with the Washington Senators

****EDIT****
I have been sent a supplemental image for Al Schact which depicts him during his playing days. Thank you for sharing it.

Al Schweitzer 1908
 

Albert Casper "Cheese" Schweitzer colorized with the St Louis Browns with backgrounds assist by palette.fm

Hal Schwenk 1913
 

Harold Edward Schwenk colorized from an image in the Cinemaodyssey facepack.

Al Scheer 1913
 

Allen George Scheer colorized

***EDIT****
I have been sent a higher resolution image of Al Scheer. I have colorized it and present both images.

Bill Kay 1907
 

Walter Brocton "King Bill" Kay colorized with the old Washington Senators from an image shared by dto7. Background assist by Palette.fm

Hal Schacker 1945
 

Harold Schacker colorized with the Philadelphia Athletics from an image shared by tnfoto

Bill Kerksieck 1939
 

Wayman William Kerksieck colorized with the Phillies. Background assist by Palette.fm

Hal Toenes 1947
 

William Harrel "Hal" Toenes colorized in minor league image with Chattanooga that was shared here by rico43 background assist by Palette.fm. I also am sharing an image of Toenes that was shared by Cusick. This one is 100% colorized by Palette. Turned out pretty great.

Bill Karns 1901
 

William Arthur Karns colorized. I took this image from the Cinemaodyssey facepack.

Roy Crabb 1912
 

James Roy Crabb colorized in a non-uniformed image shared by dto7 and one in uniform shared by tnfoto.

Bill Keen 1911
 

William Brown "Buster" Keen colorized in another image I took from the Cinemaodyssey facepack

Bill Keister 1896
 

William Hoffman "Wagon Tongue" Keister colorized with the Philadelphia Phillies. Background assist by Palette.fm

****EDIT****
I have received some supplementary images of Keister two with Baltimore, the other with the St Louis Cardinals.

Bill Kellogg 1914
 

William Dearstyne Kellogg colorized with the Cincinnati Reds from an image found in the Cinemaodyssey facepack.