(baseball) One or more minor league teams owned by a baseball franchise and used as a training and testing ground for rookies, who, if they perform well, move on to play in the main major league team.

three geographical miles

(US) Of or pertaining to a minor league / Of relatively minor importance

(Britain, soccer) Playing in a division below The Football League, being amateur or semi-professional teams.

plural of big league

plural of league table

plural of marine league

A version of rugby football, played between two teams of thirteen.

In a situation in which one is mismatched with one or more others whose accomplishments, preparedness, or other characteristics are on a significantly higher or lower level than one's own.

(idiomatic) Far excelling even the closest contender; not having any worthy competition.