big-leaguer

[ big-lee-ger ]
/ ˈbɪgˈli gər /

noun

Sports. a player in a major league.
Informal. a person who belongs to or works for a big-league organization.

Origin of big-leaguer

An Americanism dating back to 1895–1900; big league + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019