Final answer:
No, William Hulbert did not found the National League.
Step-by-step explanation:
No, William Hulbert did not found the National League. The National League, which is now one of the two major leagues in Major League Baseball, was actually founded by a group of team owners in 1876. William Hulbert was a prominent figure in the early development of professional baseball, but he did not play a role in founding the National League.