John Williams (running back)

John Williams is a common name, and without further clarification, it's difficult to provide specific encyclopedic information. There have likely been multiple individuals named John Williams who have played the position of running back in various levels of football (e.g., high school, college, professional).

To create a valuable encyclopedia entry, more specific information is needed, such as:

• Years of Activity: When did the John Williams in question play?
• Specific Team(s): Which teams did he play for?
• Level of Play: Was he a high school, college, or professional player? If professional, what league (e.g., NFL, CFL, AFL)?
• Notable Achievements: Did he have any significant accomplishments, awards, or records?
• Biographical Details: Any key personal details relevant to his career.

Without this information, the entry can only be a general statement acknowledging the existence of individuals with this name who have played the position. Any specific details would be speculative and potentially inaccurate.