How Title Lineages Work

A general explainer on how world titles are created, defended, vacated, split and reunified across sports and competitions.

Every world title has a family tree. Here is how those trees grow, branch and sometimes get grafted back together.

1. A title is founded

A governing body or a recognized event declares a championship. The first holder is crowned by winning a defined contest: a match, a tournament or a season.

2. The title is defended

In challenge-based sports, the champion must face qualified challengers on a schedule. In event-based competitions, the title is decided again each cycle, and the holder must win it back.

3. The line continues

Each time a challenger beats the holder, the title moves. Trace those wins backward and you have the lineage.

4. The line breaks

Retirements, division changes, rule breaches and rival organizations can all interrupt a lineage. See how titles get vacated.

5. The line splits

When separate bodies crown separate champions, several people may hold a version of the same title. Read why there can be several champions.

6. The line reunites

Champions from rival bodies meet, and the winner unifies the belts. Fans may also recognize a lineal champion across all of this.

How formats differ

  • Challenge matches: the champion keeps the title until beaten.
  • Tournaments: everyone, including the holder, competes for it again.
  • Season standings: consistency over many events decides it.
  • Hybrid systems: qualifiers decide a challenger, then a final match.

How world titles are won, defended, lost and argued about