For other players, it might be the only league they will ever be able to play in and win a world championship.

These were the only league v union matches played until 1996.

It is the only league that offers a bracket-style playoff format at the end of the regular season.

I think we're the only league where it's required.

Javier Vazquez is the only established major league starter on the roster.

The Mountain West Conference was the only league to allow a head coach's challenge.

He grounded out in his only major league at bat.

It became the only league ever to merge with another without losing any franchises.

It is one of the only leagues that never added or changed any of its teams.

The Wings are the league's only remaining charter member.