I had a few mins this evening so I thought I'd play with the data.
Of the 50 HOFers who were playing in 1926, 2 teams aren't represented (Phillies and the Browns). The Phillies and the Browns had no players from their 1926 squads who were eventually inducted into the HOF.
Looking at the teams the HOFers were playing for in 1926 (rather than the team they were inducted into the HOF as), gives these results:
Boston Braves 1
Boston Red Sox 1
Brooklyn Robins 4
Chicago Cubs 3
Chicago White Sox 4
Cincinnati Reds 2
Cleveland Indians 2
Detroit Tigers 4
New York Giants 6
New York Yankees 6
Philadelphia Athletics 4
Pittsburgh Pirates 5
St. Louis Cardinals 4
Washington Senators 4
- Rabbit Maranville was inducted to the HOF with his primary team being the Boston Braves, but in 1926 he was actually playing for Brooklyn.
- Frankie Frisch was inducted as a Cardinal but in 1926 he was playing for the Giants.
- Kiki Cuyler was inducted as a Cub but was playing for the Pirates in 1926.
- Stan Coveleski was inducted as an Indian but played for the Senators in 1926
- Red Ruffin was inducted as a Yankees but played for the Red Sox in 1926
- Grover Cleveland Alexander was inducted as a Philly but played for the Cubs in 1926
- Dave Bancroft was inducted as a Philly but played for the Braves in 1926
- Heinie Manush was inducted as a Senator but played for the Tigers in 1926