plural of league
"The team played two leagues before winning their first championship."
Third-person singular simple present indicative form of league
"The team does not always win every game, but they play hard enough to keep their rivals at bay."
In plain English: To league means to join forces with others for a common goal.
"The runner leaped leagues ahead of everyone else during the race."
plural of League
"The team celebrated after winning their first three league titles in a row."