slugger

1. N-COUNT In sports such as baseball and tennis, a slugger is a person who hits the ball very hard. In boxing, a slugger is a person who hits his opponent very hard but without a great deal of skill. (棒球比賽中的)強擊手; 有勇無謀的人[美國英語] [非正式]

...the great New York Yankee slugger Babe Ruth. ...紐約敭基傑出的勇猛拳擊手貝比魯斯。

They've changed me from a slugger into a boxer. 他們已經把我從一個有勇無謀的拼殺手訓練成了一名拳擊手。