Conversation so far:
Did Carr play for the Panhandles illegally?
In 1900, Carr organized a baseball team made up of employees of the railroad's Panhandle Division.
How did Joseph Carr reorganize the Panhandle team?
Joseph Carr secured players from the railroad shop where he worked. The core of Carr's Panhandles teams were six Nesser brothers who worked at the shop and were excellent athletes.
Did reorganizing the Panhandles to have the Nesser brothers as the core help the team?
The Nesser brothers were the backbone of the Panhandles and their fame drew great attraction.
How long did the Nesser brothers play for the Panhandles?
The Nesser brothers were with the Panhandles for nearly twenty years.
Were there any other notable players on the Panhandles other than the Nesser Brothers
Are there any other interesting aspects about this article about Joseph Carr?
Joseph Carr moved the APFA's headquarters to Columbus, drafted a league constitution and by-laws, gave teams territorial rights, developed membership criteria for the franchises, and issued standings.
What else was he able to do to develop the nfl?
Joseph Carr also began cleaning up other problems. By 1925, he introduced a standard player's contract, fashioned after the ones being used in pro baseball, so players couldn't jump teams.

Question: Did he reform any other teams?
Self-contained rewrite: What else was he able to do to develop the nfl?